Finding the Fourth Proportional to 468,266.24, 646,207.42 and 253,406.30
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Solution
The fourth proportional to 468,266.24, 646,207.42 and 253,406.30 is: 349,700.70
Step by Step Solution
- Step 1: Write the proportion equation
468,266.24 : 646,207.42 = 253,406.30 : x - Step 2: Convert to fraction form
468,266.24/646,207.42 = 253,406.30/x - Step 3: Cross multiply
468,266.24x = 646,207.42 × 253,406.30 - Step 4: Simplify right side
468,266.24x = 163,753,031,334.75 - Step 5: Solve for x
x = 163,753,031,334.75/468,266.24 - Step 6: Final answer
x = 349,700.70
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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.