Finding the Fourth Proportional to 409,691.52, 614,727.36 and 173,089.44
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Solution
The fourth proportional to 409,691.52, 614,727.36 and 173,089.44 is: 259,714.47
Step by Step Solution
- Step 1: Write the proportion equation
409,691.52 : 614,727.36 = 173,089.44 : x - Step 2: Convert to fraction form
409,691.52/614,727.36 = 173,089.44/x - Step 3: Cross multiply
409,691.52x = 614,727.36 × 173,089.44 - Step 4: Simplify right side
409,691.52x = 106,402,814,495.08 - Step 5: Solve for x
x = 106,402,814,495.08/409,691.52 - Step 6: Final answer
x = 259,714.47
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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.