Finding the Fourth Proportional to 579,480.30, 869,207.18 and 153,046.17
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Solution
The fourth proportional to 579,480.30, 869,207.18 and 153,046.17 is: 229,565.75
Step by Step Solution
- Step 1: Write the proportion equation
579,480.30 : 869,207.18 = 153,046.17 : x - Step 2: Convert to fraction form
579,480.30/869,207.18 = 153,046.17/x - Step 3: Cross multiply
579,480.30x = 869,207.18 × 153,046.17 - Step 4: Simplify right side
579,480.30x = 133,028,829,070.27 - Step 5: Solve for x
x = 133,028,829,070.27/579,480.30 - Step 6: Final answer
x = 229,565.75
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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.