Finding the Fourth Proportional to 468,262.99, 646,207.49 and 253,407.52
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Solution
The fourth proportional to 468,262.99, 646,207.49 and 253,407.52 is: 349,704.85
Step by Step Solution
- Step 1: Write the proportion equation
468,262.99 : 646,207.49 = 253,407.52 : x - Step 2: Convert to fraction form
468,262.99/646,207.49 = 253,407.52/x - Step 3: Cross multiply
468,262.99x = 646,207.49 × 253,407.52 - Step 4: Simplify right side
468,262.99x = 163,753,837,462.19 - Step 5: Solve for x
x = 163,753,837,462.19/468,262.99 - Step 6: Final answer
x = 349,704.85
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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.