Finding the Fourth Proportional to 260,357.80, 390,536.70 and 94,106.92
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Solution
The fourth proportional to 260,357.80, 390,536.70 and 94,106.92 is: 141,160.38
Step by Step Solution
- Step 1: Write the proportion equation
260,357.80 : 390,536.70 = 94,106.92 : x - Step 2: Convert to fraction form
260,357.80/390,536.70 = 94,106.92/x - Step 3: Cross multiply
260,357.80x = 390,536.70 × 94,106.92 - Step 4: Simplify right side
260,357.80x = 36,752,205,983.96 - Step 5: Solve for x
x = 36,752,205,983.96/260,357.80 - Step 6: Final answer
x = 141,160.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.