Finding the Fourth Proportional to 527,953.41, 729,176.99 and 357,892.29
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Solution
The fourth proportional to 527,953.41, 729,176.99 and 357,892.29 is: 494,298.96
Step by Step Solution
- Step 1: Write the proportion equation
527,953.41 : 729,176.99 = 357,892.29 : x - Step 2: Convert to fraction form
527,953.41/729,176.99 = 357,892.29/x - Step 3: Cross multiply
527,953.41x = 729,176.99 × 357,892.29 - Step 4: Simplify right side
527,953.41x = 260,966,820,976.95 - Step 5: Solve for x
x = 260,966,820,976.95/527,953.41 - Step 6: Final answer
x = 494,298.96
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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.