Finding the Fourth Proportional to 361,881.70, 542,822.55 and 268,569.70
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Solution
The fourth proportional to 361,881.70, 542,822.55 and 268,569.70 is: 402,854.55
Step by Step Solution
- Step 1: Write the proportion equation
361,881.70 : 542,822.55 = 268,569.70 : x - Step 2: Convert to fraction form
361,881.70/542,822.55 = 268,569.70/x - Step 3: Cross multiply
361,881.70x = 542,822.55 × 268,569.70 - Step 4: Simplify right side
361,881.70x = 145,785,689,406.74 - Step 5: Solve for x
x = 145,785,689,406.74/361,881.70 - Step 6: Final answer
x = 402,854.55
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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.