Finding the Fourth Proportional to 418,334.90, 577,280.07 and 237,049
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Solution
The fourth proportional to 418,334.90, 577,280.07 and 237,049 is: 327,115.10
Step by Step Solution
- Step 1: Write the proportion equation
418,334.90 : 577,280.07 = 237,049 : x - Step 2: Convert to fraction form
418,334.90/577,280.07 = 237,049/x - Step 3: Cross multiply
418,334.90x = 577,280.07 × 237,049 - Step 4: Simplify right side
418,334.90x = 136,843,663,313.43 - Step 5: Solve for x
x = 136,843,663,313.43/418,334.90 - Step 6: Final answer
x = 327,115.10
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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.