Finding the Fourth Proportional to 453,265.60, 679,941.08 and 133,417.68
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Solution
The fourth proportional to 453,265.60, 679,941.08 and 133,417.68 is: 200,139.08
Step by Step Solution
- Step 1: Write the proportion equation
453,265.60 : 679,941.08 = 133,417.68 : x - Step 2: Convert to fraction form
453,265.60/679,941.08 = 133,417.68/x - Step 3: Cross multiply
453,265.60x = 679,941.08 × 133,417.68 - Step 4: Simplify right side
453,265.60x = 90,716,161,430.29 - Step 5: Solve for x
x = 90,716,161,430.29/453,265.60 - Step 6: Final answer
x = 200,139.08
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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.