Finding the Fourth Proportional to 381,463.68, 572,572.08 and 286,363.20
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Solution
The fourth proportional to 381,463.68, 572,572.08 and 286,363.20 is: 429,827.48
Step by Step Solution
- Step 1: Write the proportion equation
381,463.68 : 572,572.08 = 286,363.20 : x - Step 2: Convert to fraction form
381,463.68/572,572.08 = 286,363.20/x - Step 3: Cross multiply
381,463.68x = 572,572.08 × 286,363.20 - Step 4: Simplify right side
381,463.68x = 163,963,573,059.46 - Step 5: Solve for x
x = 163,963,573,059.46/381,463.68 - Step 6: Final answer
x = 429,827.48
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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.