Finding the Fourth Proportional to 497,317.11, 745,974.99 and 230,931.96
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Solution
The fourth proportional to 497,317.11, 745,974.99 and 230,931.96 is: 346,397.63
Step by Step Solution
- Step 1: Write the proportion equation
497,317.11 : 745,974.99 = 230,931.96 : x - Step 2: Convert to fraction form
497,317.11/745,974.99 = 230,931.96/x - Step 3: Cross multiply
497,317.11x = 745,974.99 × 230,931.96 - Step 4: Simplify right side
497,317.11x = 172,269,466,551.68 - Step 5: Solve for x
x = 172,269,466,551.68/497,317.11 - Step 6: Final answer
x = 346,397.63
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1.5x scale
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.