Finding the Fourth Proportional to 381,587.20, 572,386.08 and 115,349.92
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Solution
The fourth proportional to 381,587.20, 572,386.08 and 115,349.92 is: 173,026.48
Step by Step Solution
- Step 1: Write the proportion equation
381,587.20 : 572,386.08 = 115,349.92 : x - Step 2: Convert to fraction form
381,587.20/572,386.08 = 115,349.92/x - Step 3: Cross multiply
381,587.20x = 572,386.08 × 115,349.92 - Step 4: Simplify right side
381,587.20x = 66,024,688,537.11 - Step 5: Solve for x
x = 66,024,688,537.11/381,587.20 - Step 6: Final answer
x = 173,026.48
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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.