Finding the Fourth Proportional to 368,126.55, 551,626.18 and 247,737.19
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Solution
The fourth proportional to 368,126.55, 551,626.18 and 247,737.19 is: 371,226.47
Step by Step Solution
- Step 1: Write the proportion equation
368,126.55 : 551,626.18 = 247,737.19 : x - Step 2: Convert to fraction form
368,126.55/551,626.18 = 247,737.19/x - Step 3: Cross multiply
368,126.55x = 551,626.18 × 247,737.19 - Step 4: Simplify right side
368,126.55x = 136,658,319,763.63 - Step 5: Solve for x
x = 136,658,319,763.63/368,126.55 - Step 6: Final answer
x = 371,226.47
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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.