Finding the Fourth Proportional to 261,952.68, 361,465.56 and 147,204.84
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Solution
The fourth proportional to 261,952.68, 361,465.56 and 147,204.84 is: 203,126.30
Step by Step Solution
- Step 1: Write the proportion equation
261,952.68 : 361,465.56 = 147,204.84 : x - Step 2: Convert to fraction form
261,952.68/361,465.56 = 147,204.84/x - Step 3: Cross multiply
261,952.68x = 361,465.56 × 147,204.84 - Step 4: Simplify right side
261,952.68x = 53,209,479,925.31 - Step 5: Solve for x
x = 53,209,479,925.31/261,952.68 - Step 6: Final answer
x = 203,126.30
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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.