Finding the Fourth Proportional to 415,449.60, 573,320.70 and 224,462.94
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Solution
The fourth proportional to 415,449.60, 573,320.70 and 224,462.94 is: 309,758.99
Step by Step Solution
- Step 1: Write the proportion equation
415,449.60 : 573,320.70 = 224,462.94 : x - Step 2: Convert to fraction form
415,449.60/573,320.70 = 224,462.94/x - Step 3: Cross multiply
415,449.60x = 573,320.70 × 224,462.94 - Step 4: Simplify right side
415,449.60x = 128,689,249,884.86 - Step 5: Solve for x
x = 128,689,249,884.86/415,449.60 - Step 6: Final answer
x = 309,758.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.