Finding the Fourth Proportional to 436,394.79, 602,232.98 and 255,122.19
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Solution
The fourth proportional to 436,394.79, 602,232.98 and 255,122.19 is: 352,073.40
Step by Step Solution
- Step 1: Write the proportion equation
436,394.79 : 602,232.98 = 255,122.19 : x - Step 2: Convert to fraction form
436,394.79/602,232.98 = 255,122.19/x - Step 3: Cross multiply
436,394.79x = 602,232.98 × 255,122.19 - Step 4: Simplify right side
436,394.79x = 153,642,995,472.22 - Step 5: Solve for x
x = 153,642,995,472.22/436,394.79 - Step 6: Final answer
x = 352,073.40
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Half scale
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Double scale
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.