Finding the Fourth Proportional to 257,277.62, 385,710.35 and 122,273.91
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Solution
The fourth proportional to 257,277.62, 385,710.35 and 122,273.91 is: 183,312.92
Step by Step Solution
- Step 1: Write the proportion equation
257,277.62 : 385,710.35 = 122,273.91 : x - Step 2: Convert to fraction form
257,277.62/385,710.35 = 122,273.91/x - Step 3: Cross multiply
257,277.62x = 385,710.35 × 122,273.91 - Step 4: Simplify right side
257,277.62x = 47,162,312,010.60 - Step 5: Solve for x
x = 47,162,312,010.60/257,277.62 - Step 6: Final answer
x = 183,312.92
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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.