Finding the Fourth Proportional to 375,478.08, 518,159.68 and 224,610.72
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Solution
The fourth proportional to 375,478.08, 518,159.68 and 224,610.72 is: 309,962.75
Step by Step Solution
- Step 1: Write the proportion equation
375,478.08 : 518,159.68 = 224,610.72 : x - Step 2: Convert to fraction form
375,478.08/518,159.68 = 224,610.72/x - Step 3: Cross multiply
375,478.08x = 518,159.68 × 224,610.72 - Step 4: Simplify right side
375,478.08x = 116,384,218,799.77 - Step 5: Solve for x
x = 116,384,218,799.77/375,478.08 - Step 6: Final answer
x = 309,962.75
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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.