Finding the Fourth Proportional to 377,425.18, 520,854.69 and 207,659.62
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Solution
The fourth proportional to 377,425.18, 520,854.69 and 207,659.62 is: 286,574.65
Step by Step Solution
- Step 1: Write the proportion equation
377,425.18 : 520,854.69 = 207,659.62 : x - Step 2: Convert to fraction form
377,425.18/520,854.69 = 207,659.62/x - Step 3: Cross multiply
377,425.18x = 520,854.69 × 207,659.62 - Step 4: Simplify right side
377,425.18x = 108,160,487,000.62 - Step 5: Solve for x
x = 108,160,487,000.62/377,425.18 - Step 6: Final answer
x = 286,574.65
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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.