Finding the Fourth Proportional to 354,767,417.20, 532,151,125.80 and 193,524,281.20
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Solution
The fourth proportional to 354,767,417.20, 532,151,125.80 and 193,524,281.20 is: 290,286,421.80
Step by Step Solution
- Step 1: Write the proportion equation
354,767,417.20 : 532,151,125.80 = 193,524,281.20 : x - Step 2: Convert to fraction form
354,767,417.20/532,151,125.80 = 193,524,281.20/x - Step 3: Cross multiply
354,767,417.20x = 532,151,125.80 × 193,524,281.20 - Step 4: Simplify right side
354,767,417.20x = 102,984,164,110,215,776 - Step 5: Solve for x
x = 102,984,164,110,215,776/354,767,417.20 - Step 6: Final answer
x = 290,286,421.80
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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.