Finding the Fourth Proportional to 260,899.18, 360,765.61 and 207,090.78
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Solution
The fourth proportional to 260,899.18, 360,765.61 and 207,090.78 is: 286,360.55
Step by Step Solution
- Step 1: Write the proportion equation
260,899.18 : 360,765.61 = 207,090.78 : x - Step 2: Convert to fraction form
260,899.18/360,765.61 = 207,090.78/x - Step 3: Cross multiply
260,899.18x = 360,765.61 × 207,090.78 - Step 4: Simplify right side
260,899.18x = 74,711,231,572.08 - Step 5: Solve for x
x = 74,711,231,572.08/260,899.18 - Step 6: Final answer
x = 286,360.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.