Finding the Fourth Proportional to 207,442.08, 286,271.76 and 118,023.84
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Solution
The fourth proportional to 207,442.08, 286,271.76 and 118,023.84 is: 162,873.86
Step by Step Solution
- Step 1: Write the proportion equation
207,442.08 : 286,271.76 = 118,023.84 : x - Step 2: Convert to fraction form
207,442.08/286,271.76 = 118,023.84/x - Step 3: Cross multiply
207,442.08x = 286,271.76 × 118,023.84 - Step 4: Simplify right side
207,442.08x = 33,786,892,398.76 - Step 5: Solve for x
x = 33,786,892,398.76/207,442.08 - Step 6: Final answer
x = 162,873.86
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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.