Finding the Fourth Proportional to 429,285.88, 592,476.12 and 257,210.68
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Solution
The fourth proportional to 429,285.88, 592,476.12 and 257,210.68 is: 354,987.65
Step by Step Solution
- Step 1: Write the proportion equation
429,285.88 : 592,476.12 = 257,210.68 : x - Step 2: Convert to fraction form
429,285.88/592,476.12 = 257,210.68/x - Step 3: Cross multiply
429,285.88x = 592,476.12 × 257,210.68 - Step 4: Simplify right side
429,285.88x = 152,391,185,708.96 - Step 5: Solve for x
x = 152,391,185,708.96/429,285.88 - Step 6: Final answer
x = 354,987.65
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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.