Finding the Fourth Proportional to 534,769.13, 802,155.50 and 135,409.71
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Solution
The fourth proportional to 534,769.13, 802,155.50 and 135,409.71 is: 203,115.02
Step by Step Solution
- Step 1: Write the proportion equation
534,769.13 : 802,155.50 = 135,409.71 : x - Step 2: Convert to fraction form
534,769.13/802,155.50 = 135,409.71/x - Step 3: Cross multiply
534,769.13x = 802,155.50 × 135,409.71 - Step 4: Simplify right side
534,769.13x = 108,619,642,952.86 - Step 5: Solve for x
x = 108,619,642,952.86/534,769.13 - Step 6: Final answer
x = 203,115.02
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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.