Finding the Fourth Proportional to 381,726.49, 572,589.35 and 97,417.05
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Solution
The fourth proportional to 381,726.49, 572,589.35 and 97,417.05 is: 146,125.47
Step by Step Solution
- Step 1: Write the proportion equation
381,726.49 : 572,589.35 = 97,417.05 : x - Step 2: Convert to fraction form
381,726.49/572,589.35 = 97,417.05/x - Step 3: Cross multiply
381,726.49x = 572,589.35 × 97,417.05 - Step 4: Simplify right side
381,726.49x = 55,779,963,617.41 - Step 5: Solve for x
x = 55,779,963,617.41/381,726.49 - Step 6: Final answer
x = 146,125.47
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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.