Finding the Fourth Proportional to 381,929.68, 572,351.28 and 281,298.48
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Solution
The fourth proportional to 381,929.68, 572,351.28 and 281,298.48 is: 421,547.61
Step by Step Solution
- Step 1: Write the proportion equation
381,929.68 : 572,351.28 = 281,298.48 : x - Step 2: Convert to fraction form
381,929.68/572,351.28 = 281,298.48/x - Step 3: Cross multiply
381,929.68x = 572,351.28 × 281,298.48 - Step 4: Simplify right side
381,929.68x = 161,001,545,090.05 - Step 5: Solve for x
x = 161,001,545,090.05/381,929.68 - Step 6: Final answer
x = 421,547.61
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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.