Finding the Fourth Proportional to 260,454.06, 390,802.62 and 92,101.88
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Solution
The fourth proportional to 260,454.06, 390,802.62 and 92,101.88 is: 138,195.80
Step by Step Solution
- Step 1: Write the proportion equation
260,454.06 : 390,802.62 = 92,101.88 : x - Step 2: Convert to fraction form
260,454.06/390,802.62 = 92,101.88/x - Step 3: Cross multiply
260,454.06x = 390,802.62 × 92,101.88 - Step 4: Simplify right side
260,454.06x = 35,993,656,010.93 - Step 5: Solve for x
x = 35,993,656,010.93/260,454.06 - Step 6: Final answer
x = 138,195.80
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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.