Finding the Fourth Proportional to 259,035.71, 357,370.97 and 157,023.95
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Solution
The fourth proportional to 259,035.71, 357,370.97 and 157,023.95 is: 216,633.45
Step by Step Solution
- Step 1: Write the proportion equation
259,035.71 : 357,370.97 = 157,023.95 : x - Step 2: Convert to fraction form
259,035.71/357,370.97 = 157,023.95/x - Step 3: Cross multiply
259,035.71x = 357,370.97 × 157,023.95 - Step 4: Simplify right side
259,035.71x = 56,115,798,752.76 - Step 5: Solve for x
x = 56,115,798,752.76/259,035.71 - Step 6: Final answer
x = 216,633.45
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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.