Finding the Fourth Proportional to 240,462.15, 331,841.05 and 149,854.74
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Solution
The fourth proportional to 240,462.15, 331,841.05 and 149,854.74 is: 206,801.59
Step by Step Solution
- Step 1: Write the proportion equation
240,462.15 : 331,841.05 = 149,854.74 : x - Step 2: Convert to fraction form
240,462.15/331,841.05 = 149,854.74/x - Step 3: Cross multiply
240,462.15x = 331,841.05 × 149,854.74 - Step 4: Simplify right side
240,462.15x = 49,727,954,269.08 - Step 5: Solve for x
x = 49,727,954,269.08/240,462.15 - Step 6: Final answer
x = 206,801.59
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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.