Finding the Fourth Proportional to 316,298.47, 474,472.02 and 91,661.98
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Solution
The fourth proportional to 316,298.47, 474,472.02 and 91,661.98 is: 137,500.02
Step by Step Solution
- Step 1: Write the proportion equation
316,298.47 : 474,472.02 = 91,661.98 : x - Step 2: Convert to fraction form
316,298.47/474,472.02 = 91,661.98/x - Step 3: Cross multiply
316,298.47x = 474,472.02 × 91,661.98 - Step 4: Simplify right side
316,298.47x = 43,491,044,807.80 - Step 5: Solve for x
x = 43,491,044,807.80/316,298.47 - Step 6: Final answer
x = 137,500.02
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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.