Finding the Fourth Proportional to 287,612.08, 431,476.44 and 110,124.88
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Solution
The fourth proportional to 287,612.08, 431,476.44 and 110,124.88 is: 165,209.65
Step by Step Solution
- Step 1: Write the proportion equation
287,612.08 : 431,476.44 = 110,124.88 : x - Step 2: Convert to fraction form
287,612.08/431,476.44 = 110,124.88/x - Step 3: Cross multiply
287,612.08x = 431,476.44 × 110,124.88 - Step 4: Simplify right side
287,612.08x = 47,516,291,177.83 - Step 5: Solve for x
x = 47,516,291,177.83/287,612.08 - Step 6: Final answer
x = 165,209.65
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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.