Finding the Fourth Proportional to 315,555.30, 473,329.53 and 252,077.62
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Solution
The fourth proportional to 315,555.30, 473,329.53 and 252,077.62 is: 378,113.70
Step by Step Solution
- Step 1: Write the proportion equation
315,555.30 : 473,329.53 = 252,077.62 : x - Step 2: Convert to fraction form
315,555.30/473,329.53 = 252,077.62/x - Step 3: Cross multiply
315,555.30x = 473,329.53 × 252,077.62 - Step 4: Simplify right side
315,555.30x = 119,315,781,398.12 - Step 5: Solve for x
x = 119,315,781,398.12/315,555.30 - Step 6: Final answer
x = 378,113.70
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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.