Finding the Fourth Proportional to 478,444.11, 717,671.29 and 204,853.44
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Solution
The fourth proportional to 478,444.11, 717,671.29 and 204,853.44 is: 307,282.35
Step by Step Solution
- Step 1: Write the proportion equation
478,444.11 : 717,671.29 = 204,853.44 : x - Step 2: Convert to fraction form
478,444.11/717,671.29 = 204,853.44/x - Step 3: Cross multiply
478,444.11x = 717,671.29 × 204,853.44 - Step 4: Simplify right side
478,444.11x = 147,017,432,545.74 - Step 5: Solve for x
x = 147,017,432,545.74/478,444.11 - Step 6: Final answer
x = 307,282.35
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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.