Finding the Fourth Proportional to 257,775.99, 386,538.98 and 151,194.76
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Solution
The fourth proportional to 257,775.99, 386,538.98 and 151,194.76 is: 226,718.82
Step by Step Solution
- Step 1: Write the proportion equation
257,775.99 : 386,538.98 = 151,194.76 : x - Step 2: Convert to fraction form
257,775.99/386,538.98 = 151,194.76/x - Step 3: Cross multiply
257,775.99x = 386,538.98 × 151,194.76 - Step 4: Simplify right side
257,775.99x = 58,442,668,311.74 - Step 5: Solve for x
x = 58,442,668,311.74/257,775.99 - Step 6: Final answer
x = 226,718.82
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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.