Finding the Fourth Proportional to 653,531.80, 980,358.12 and 254,202.88
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Solution
The fourth proportional to 653,531.80, 980,358.12 and 254,202.88 is: 381,327.82
Step by Step Solution
- Step 1: Write the proportion equation
653,531.80 : 980,358.12 = 254,202.88 : x - Step 2: Convert to fraction form
653,531.80/980,358.12 = 254,202.88/x - Step 3: Cross multiply
653,531.80x = 980,358.12 × 254,202.88 - Step 4: Simplify right side
653,531.80x = 249,209,857,535.39 - Step 5: Solve for x
x = 249,209,857,535.39/653,531.80 - Step 6: Final answer
x = 381,327.82
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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.