Finding the Fourth Proportional to 414,637.24, 621,886.49 and 115,148.10
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Solution
The fourth proportional to 414,637.24, 621,886.49 and 115,148.10 is: 172,702.88
Step by Step Solution
- Step 1: Write the proportion equation
414,637.24 : 621,886.49 = 115,148.10 : x - Step 2: Convert to fraction form
414,637.24/621,886.49 = 115,148.10/x - Step 3: Cross multiply
414,637.24x = 621,886.49 × 115,148.10 - Step 4: Simplify right side
414,637.24x = 71,609,044,629.74 - Step 5: Solve for x
x = 71,609,044,629.74/414,637.24 - Step 6: Final answer
x = 172,702.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.