Finding the Fourth Proportional to 202,124.30, 278,774.06 and 130,521.92
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Solution
The fourth proportional to 202,124.30, 278,774.06 and 130,521.92 is: 180,018.56
Step by Step Solution
- Step 1: Write the proportion equation
202,124.30 : 278,774.06 = 130,521.92 : x - Step 2: Convert to fraction form
202,124.30/278,774.06 = 130,521.92/x - Step 3: Cross multiply
202,124.30x = 278,774.06 × 130,521.92 - Step 4: Simplify right side
202,124.30x = 36,386,125,557.40 - Step 5: Solve for x
x = 36,386,125,557.40/202,124.30 - Step 6: Final answer
x = 180,018.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.