Finding the Fourth Proportional to 462,397.26, 693,595.88 and 129,973.26
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Solution
The fourth proportional to 462,397.26, 693,595.88 and 129,973.26 is: 194,959.89
Step by Step Solution
- Step 1: Write the proportion equation
462,397.26 : 693,595.88 = 129,973.26 : x - Step 2: Convert to fraction form
462,397.26/693,595.88 = 129,973.26/x - Step 3: Cross multiply
462,397.26x = 693,595.88 × 129,973.26 - Step 4: Simplify right side
462,397.26x = 90,148,917,646.17 - Step 5: Solve for x
x = 90,148,917,646.17/462,397.26 - Step 6: Final answer
x = 194,959.89
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1.5x scale
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.