Finding the Fourth Proportional to 440,312.42, 607,631.28 and 239,108.42
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Solution
The fourth proportional to 440,312.42, 607,631.28 and 239,108.42 is: 329,969.70
Step by Step Solution
- Step 1: Write the proportion equation
440,312.42 : 607,631.28 = 239,108.42 : x - Step 2: Convert to fraction form
440,312.42/607,631.28 = 239,108.42/x - Step 3: Cross multiply
440,312.42x = 607,631.28 × 239,108.42 - Step 4: Simplify right side
440,312.42x = 145,289,755,303.38 - Step 5: Solve for x
x = 145,289,755,303.38/440,312.42 - Step 6: Final answer
x = 329,969.70
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1.5x scale
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.