Finding the Fourth Proportional to 472,949.80, 709,862.10 and 236,462.20
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Solution
The fourth proportional to 472,949.80, 709,862.10 and 236,462.20 is: 354,911.99
Step by Step Solution
- Step 1: Write the proportion equation
472,949.80 : 709,862.10 = 236,462.20 : x - Step 2: Convert to fraction form
472,949.80/709,862.10 = 236,462.20/x - Step 3: Cross multiply
472,949.80x = 709,862.10 × 236,462.20 - Step 4: Simplify right side
472,949.80x = 167,855,553,862.62 - Step 5: Solve for x
x = 167,855,553,862.62/472,949.80 - Step 6: Final answer
x = 354,911.99
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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.