Finding the Fourth Proportional to 279,306.78, 418,710.99 and 232,307.45
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Solution
The fourth proportional to 279,306.78, 418,710.99 and 232,307.45 is: 348,253.92
Step by Step Solution
- Step 1: Write the proportion equation
279,306.78 : 418,710.99 = 232,307.45 : x - Step 2: Convert to fraction form
279,306.78/418,710.99 = 232,307.45/x - Step 3: Cross multiply
279,306.78x = 418,710.99 × 232,307.45 - Step 4: Simplify right side
279,306.78x = 97,269,680,280.32 - Step 5: Solve for x
x = 97,269,680,280.32/279,306.78 - Step 6: Final answer
x = 348,253.92
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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.