Finding the Fourth Proportional to 508,155.76, 762,262.80 and 153,132.80
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Solution
The fourth proportional to 508,155.76, 762,262.80 and 153,132.80 is: 229,707.99
Step by Step Solution
- Step 1: Write the proportion equation
508,155.76 : 762,262.80 = 153,132.80 : x - Step 2: Convert to fraction form
508,155.76/762,262.80 = 153,132.80/x - Step 3: Cross multiply
508,155.76x = 762,262.80 × 153,132.80 - Step 4: Simplify right side
508,155.76x = 116,727,436,899.84 - Step 5: Solve for x
x = 116,727,436,899.84/508,155.76 - Step 6: Final answer
x = 229,707.99
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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.