Finding the Fourth Proportional to 278,195.68, 417,293.52 and 130,417.12
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Solution
The fourth proportional to 278,195.68, 417,293.52 and 130,417.12 is: 195,625.68
Step by Step Solution
- Step 1: Write the proportion equation
278,195.68 : 417,293.52 = 130,417.12 : x - Step 2: Convert to fraction form
278,195.68/417,293.52 = 130,417.12/x - Step 3: Cross multiply
278,195.68x = 417,293.52 × 130,417.12 - Step 4: Simplify right side
278,195.68x = 54,422,219,073.06 - Step 5: Solve for x
x = 54,422,219,073.06/278,195.68 - Step 6: Final answer
x = 195,625.68
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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.