Finding the Fourth Proportional to 159,624.90, 239,437.35 and 103,637.70
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Solution
The fourth proportional to 159,624.90, 239,437.35 and 103,637.70 is: 155,456.55
Step by Step Solution
- Step 1: Write the proportion equation
159,624.90 : 239,437.35 = 103,637.70 : x - Step 2: Convert to fraction form
159,624.90/239,437.35 = 103,637.70/x - Step 3: Cross multiply
159,624.90x = 239,437.35 × 103,637.70 - Step 4: Simplify right side
159,624.90x = 24,814,736,248.10 - Step 5: Solve for x
x = 24,814,736,248.10/159,624.90 - Step 6: Final answer
x = 155,456.55
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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.