Finding the Fourth Proportional to 442,743.60, 664,115.40 and 176,545.20
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Solution
The fourth proportional to 442,743.60, 664,115.40 and 176,545.20 is: 264,817.80
Step by Step Solution
- Step 1: Write the proportion equation
442,743.60 : 664,115.40 = 176,545.20 : x - Step 2: Convert to fraction form
442,743.60/664,115.40 = 176,545.20/x - Step 3: Cross multiply
442,743.60x = 664,115.40 × 176,545.20 - Step 4: Simplify right side
442,743.60x = 117,246,386,116.08 - Step 5: Solve for x
x = 117,246,386,116.08/442,743.60 - Step 6: Final answer
x = 264,817.80
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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.