Finding the Fourth Proportional to 361,551.84, 542,152.80 and 124,811.52
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Solution
The fourth proportional to 361,551.84, 542,152.80 and 124,811.52 is: 187,156.88
Step by Step Solution
- Step 1: Write the proportion equation
361,551.84 : 542,152.80 = 124,811.52 : x - Step 2: Convert to fraction form
361,551.84/542,152.80 = 124,811.52/x - Step 3: Cross multiply
361,551.84x = 542,152.80 × 124,811.52 - Step 4: Simplify right side
361,551.84x = 67,666,915,040.26 - Step 5: Solve for x
x = 67,666,915,040.26/361,551.84 - Step 6: Final answer
x = 187,156.88
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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.