Finding the Fourth Proportional to 381,812.04, 572,726.24 and 115,572.12
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Solution
The fourth proportional to 381,812.04, 572,726.24 and 115,572.12 is: 173,360.66
Step by Step Solution
- Step 1: Write the proportion equation
381,812.04 : 572,726.24 = 115,572.12 : x - Step 2: Convert to fraction form
381,812.04/572,726.24 = 115,572.12/x - Step 3: Cross multiply
381,812.04x = 572,726.24 × 115,572.12 - Step 4: Simplify right side
381,812.04x = 66,191,185,736.43 - Step 5: Solve for x
x = 66,191,185,736.43/381,812.04 - Step 6: Final answer
x = 173,360.66
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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.