Finding the Fourth Proportional to 357,513.94, 493,403.50 and 204,521.75
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Solution
The fourth proportional to 357,513.94, 493,403.50 and 204,521.75 is: 282,259.62
Step by Step Solution
- Step 1: Write the proportion equation
357,513.94 : 493,403.50 = 204,521.75 : x - Step 2: Convert to fraction form
357,513.94/493,403.50 = 204,521.75/x - Step 3: Cross multiply
357,513.94x = 493,403.50 × 204,521.75 - Step 4: Simplify right side
357,513.94x = 100,911,747,276.13 - Step 5: Solve for x
x = 100,911,747,276.13/357,513.94 - Step 6: Final answer
x = 282,259.62
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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.