Finding the Fourth Proportional to 310,470.28, 465,886.12 and 130,542.68
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Solution
The fourth proportional to 310,470.28, 465,886.12 and 130,542.68 is: 195,889.99
Step by Step Solution
- Step 1: Write the proportion equation
310,470.28 : 465,886.12 = 130,542.68 : x - Step 2: Convert to fraction form
310,470.28/465,886.12 = 130,542.68/x - Step 3: Cross multiply
310,470.28x = 465,886.12 × 130,542.68 - Step 4: Simplify right side
310,470.28x = 60,818,020,303.39 - Step 5: Solve for x
x = 60,818,020,303.39/310,470.28 - Step 6: Final answer
x = 195,889.99
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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.