Finding the Fourth Proportional to 316,934.24, 475,103.61 and 106,424.55
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Solution
The fourth proportional to 316,934.24, 475,103.61 and 106,424.55 is: 159,536.84
Step by Step Solution
- Step 1: Write the proportion equation
316,934.24 : 475,103.61 = 106,424.55 : x - Step 2: Convert to fraction form
316,934.24/475,103.61 = 106,424.55/x - Step 3: Cross multiply
316,934.24x = 475,103.61 × 106,424.55 - Step 4: Simplify right side
316,934.24x = 50,562,687,897.63 - Step 5: Solve for x
x = 50,562,687,897.63/316,934.24 - Step 6: Final answer
x = 159,536.84
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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.