Finding the Fourth Proportional to 312,177.74, 430,805.25 and 168,937.76
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Solution
The fourth proportional to 312,177.74, 430,805.25 and 168,937.76 is: 233,134.09
Step by Step Solution
- Step 1: Write the proportion equation
312,177.74 : 430,805.25 = 168,937.76 : x - Step 2: Convert to fraction form
312,177.74/430,805.25 = 168,937.76/x - Step 3: Cross multiply
312,177.74x = 430,805.25 × 168,937.76 - Step 4: Simplify right side
312,177.74x = 72,779,273,931.24 - Step 5: Solve for x
x = 72,779,273,931.24/312,177.74 - Step 6: Final answer
x = 233,134.09
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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.