Finding the Fourth Proportional to 435,998.80, 653,652.60 and 239,006.80
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Solution
The fourth proportional to 435,998.80, 653,652.60 and 239,006.80 is: 358,320.75
Step by Step Solution
- Step 1: Write the proportion equation
435,998.80 : 653,652.60 = 239,006.80 : x - Step 2: Convert to fraction form
435,998.80/653,652.60 = 239,006.80/x - Step 3: Cross multiply
435,998.80x = 653,652.60 × 239,006.80 - Step 4: Simplify right side
435,998.80x = 156,227,416,237.68 - Step 5: Solve for x
x = 156,227,416,237.68/435,998.80 - Step 6: Final answer
x = 358,320.75
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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.