Finding the Fourth Proportional to 490,434.04, 735,652.70 and 135,440.20
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Solution
The fourth proportional to 490,434.04, 735,652.70 and 135,440.20 is: 203,160.75
Step by Step Solution
- Step 1: Write the proportion equation
490,434.04 : 735,652.70 = 135,440.20 : x - Step 2: Convert to fraction form
490,434.04/735,652.70 = 135,440.20/x - Step 3: Cross multiply
490,434.04x = 735,652.70 × 135,440.20 - Step 4: Simplify right side
490,434.04x = 99,636,948,818.54 - Step 5: Solve for x
x = 99,636,948,818.54/490,434.04 - Step 6: Final answer
x = 203,160.75
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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.