Finding the Fourth Proportional to 473,642.40, 710,510.99 and 136,691.31
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Solution
The fourth proportional to 473,642.40, 710,510.99 and 136,691.31 is: 205,050.65
Step by Step Solution
- Step 1: Write the proportion equation
473,642.40 : 710,510.99 = 136,691.31 : x - Step 2: Convert to fraction form
473,642.40/710,510.99 = 136,691.31/x - Step 3: Cross multiply
473,642.40x = 710,510.99 × 136,691.31 - Step 4: Simplify right side
473,642.40x = 97,120,680,742.35 - Step 5: Solve for x
x = 97,120,680,742.35/473,642.40 - Step 6: Final answer
x = 205,050.65
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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.