Finding the Fourth Proportional to 454,663.47, 681,995.09 and 155,144.02
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Solution
The fourth proportional to 454,663.47, 681,995.09 and 155,144.02 is: 232,715.99
Step by Step Solution
- Step 1: Write the proportion equation
454,663.47 : 681,995.09 = 155,144.02 : x - Step 2: Convert to fraction form
454,663.47/681,995.09 = 155,144.02/x - Step 3: Cross multiply
454,663.47x = 681,995.09 × 155,144.02 - Step 4: Simplify right side
454,663.47x = 105,807,459,882.86 - Step 5: Solve for x
x = 105,807,459,882.86/454,663.47 - Step 6: Final answer
x = 232,715.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.