Finding the Fourth Proportional to 608,909.10, 913,363.65 and 159,629.10
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Solution
The fourth proportional to 608,909.10, 913,363.65 and 159,629.10 is: 239,443.65
Step by Step Solution
- Step 1: Write the proportion equation
608,909.10 : 913,363.65 = 159,629.10 : x - Step 2: Convert to fraction form
608,909.10/913,363.65 = 159,629.10/x - Step 3: Cross multiply
608,909.10x = 913,363.65 × 159,629.10 - Step 4: Simplify right side
608,909.10x = 145,799,417,422.22 - Step 5: Solve for x
x = 145,799,417,422.22/608,909.10 - Step 6: Final answer
x = 239,443.65
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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.