Finding the Fourth Proportional to 523,132.19, 784,705.58 and 149,155.19
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Solution
The fourth proportional to 523,132.19, 784,705.58 and 149,155.19 is: 223,734.86
Step by Step Solution
- Step 1: Write the proportion equation
523,132.19 : 784,705.58 = 149,155.19 : x - Step 2: Convert to fraction form
523,132.19/784,705.58 = 149,155.19/x - Step 3: Cross multiply
523,132.19x = 784,705.58 × 149,155.19 - Step 4: Simplify right side
523,132.19x = 117,042,909,878.96 - Step 5: Solve for x
x = 117,042,909,878.96/523,132.19 - Step 6: Final answer
x = 223,734.86
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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.