Finding the Fourth Proportional to 349,331.42, 524,107.85 and 124,686.88
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Solution
The fourth proportional to 349,331.42, 524,107.85 and 124,686.88 is: 187,069.83
Step by Step Solution
- Step 1: Write the proportion equation
349,331.42 : 524,107.85 = 124,686.88 : x - Step 2: Convert to fraction form
349,331.42/524,107.85 = 124,686.88/x - Step 3: Cross multiply
349,331.42x = 524,107.85 × 124,686.88 - Step 4: Simplify right side
349,331.42x = 65,349,370,666.30 - Step 5: Solve for x
x = 65,349,370,666.30/349,331.42 - Step 6: Final answer
x = 187,069.83
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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.