Finding the Fourth Proportional to 316,689.48, 475,229.18 and 124,530.08
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Solution
The fourth proportional to 316,689.48, 475,229.18 and 124,530.08 is: 186,871.78
Step by Step Solution
- Step 1: Write the proportion equation
316,689.48 : 475,229.18 = 124,530.08 : x - Step 2: Convert to fraction form
316,689.48/475,229.18 = 124,530.08/x - Step 3: Cross multiply
316,689.48x = 475,229.18 × 124,530.08 - Step 4: Simplify right side
316,689.48x = 59,180,327,803.73 - Step 5: Solve for x
x = 59,180,327,803.73/316,689.48 - Step 6: Final answer
x = 186,871.78
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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.