Finding the Fourth Proportional to 421,671.08, 632,591.28 and 155,432.96
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Solution
The fourth proportional to 421,671.08, 632,591.28 and 155,432.96 is: 233,180.65
Step by Step Solution
- Step 1: Write the proportion equation
421,671.08 : 632,591.28 = 155,432.96 : x - Step 2: Convert to fraction form
421,671.08/632,591.28 = 155,432.96/x - Step 3: Cross multiply
421,671.08x = 632,591.28 × 155,432.96 - Step 4: Simplify right side
421,671.08x = 98,325,535,120.59 - Step 5: Solve for x
x = 98,325,535,120.59/421,671.08 - Step 6: Final answer
x = 233,180.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.