Finding the Fourth Proportional to 418,285.04, 577,221.68 and 227,292.08
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Solution
The fourth proportional to 418,285.04, 577,221.68 and 227,292.08 is: 313,656.73
Step by Step Solution
- Step 1: Write the proportion equation
418,285.04 : 577,221.68 = 227,292.08 : x - Step 2: Convert to fraction form
418,285.04/577,221.68 = 227,292.08/x - Step 3: Cross multiply
418,285.04x = 577,221.68 × 227,292.08 - Step 4: Simplify right side
418,285.04x = 131,197,916,268.29 - Step 5: Solve for x
x = 131,197,916,268.29/418,285.04 - Step 6: Final answer
x = 313,656.73
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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.