Finding the Fourth Proportional to 646,929.60, 970,135.20 and 225,988.80
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Solution
The fourth proportional to 646,929.60, 970,135.20 and 225,988.80 is: 338,892.65
Step by Step Solution
- Step 1: Write the proportion equation
646,929.60 : 970,135.20 = 225,988.80 : x - Step 2: Convert to fraction form
646,929.60/970,135.20 = 225,988.80/x - Step 3: Cross multiply
646,929.60x = 970,135.20 × 225,988.80 - Step 4: Simplify right side
646,929.60x = 219,239,689,685.76 - Step 5: Solve for x
x = 219,239,689,685.76/646,929.60 - Step 6: Final answer
x = 338,892.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.