Finding the Fourth Proportional to 176,785.18, 243,989.26 and 99,269.53
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Solution
The fourth proportional to 176,785.18, 243,989.26 and 99,269.53 is: 137,006.38
Step by Step Solution
- Step 1: Write the proportion equation
176,785.18 : 243,989.26 = 99,269.53 : x - Step 2: Convert to fraction form
176,785.18/243,989.26 = 99,269.53/x - Step 3: Cross multiply
176,785.18x = 243,989.26 × 99,269.53 - Step 4: Simplify right side
176,785.18x = 24,220,697,937.08 - Step 5: Solve for x
x = 24,220,697,937.08/176,785.18 - Step 6: Final answer
x = 137,006.38
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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.