Finding the Fourth Proportional to 457,331.23, 686,073.99 and 157,731.67
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Solution
The fourth proportional to 457,331.23, 686,073.99 and 157,731.67 is: 236,624.11
Step by Step Solution
- Step 1: Write the proportion equation
457,331.23 : 686,073.99 = 157,731.67 : x - Step 2: Convert to fraction form
457,331.23/686,073.99 = 157,731.67/x - Step 3: Cross multiply
457,331.23x = 686,073.99 × 157,731.67 - Step 4: Simplify right side
457,331.23x = 108,215,596,186.26 - Step 5: Solve for x
x = 108,215,596,186.26/457,331.23 - Step 6: Final answer
x = 236,624.11
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.