Finding the Fourth Proportional to 159,604.90, 239,407.35 and 103,617.70
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Solution
The fourth proportional to 159,604.90, 239,407.35 and 103,617.70 is: 155,426.55
Step by Step Solution
- Step 1: Write the proportion equation
159,604.90 : 239,407.35 = 103,617.70 : x - Step 2: Convert to fraction form
159,604.90/239,407.35 = 103,617.70/x - Step 3: Cross multiply
159,604.90x = 239,407.35 × 103,617.70 - Step 4: Simplify right side
159,604.90x = 24,806,838,970.10 - Step 5: Solve for x
x = 24,806,838,970.10/159,604.90 - Step 6: Final answer
x = 155,426.55
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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.