Finding the Fourth Proportional to 461,540.68, 636,925.80 and 260,336.68
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Solution
The fourth proportional to 461,540.68, 636,925.80 and 260,336.68 is: 359,264.43
Step by Step Solution
- Step 1: Write the proportion equation
461,540.68 : 636,925.80 = 260,336.68 : x - Step 2: Convert to fraction form
461,540.68/636,925.80 = 260,336.68/x - Step 3: Cross multiply
461,540.68x = 636,925.80 × 260,336.68 - Step 4: Simplify right side
461,540.68x = 165,815,148,178.34 - Step 5: Solve for x
x = 165,815,148,178.34/461,540.68 - Step 6: Final answer
x = 359,264.43
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1.5x scale
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.