Finding the Fourth Proportional to 282,278.13, 423,482.80 and 95,289.63
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Solution
The fourth proportional to 282,278.13, 423,482.80 and 95,289.63 is: 142,956.59
Step by Step Solution
- Step 1: Write the proportion equation
282,278.13 : 423,482.80 = 95,289.63 : x - Step 2: Convert to fraction form
282,278.13/423,482.80 = 95,289.63/x - Step 3: Cross multiply
282,278.13x = 423,482.80 × 95,289.63 - Step 4: Simplify right side
282,278.13x = 40,353,519,323.36 - Step 5: Solve for x
x = 40,353,519,323.36/282,278.13 - Step 6: Final answer
x = 142,956.59
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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.