Finding the Fourth Proportional to 259,281.66, 357,832.19 and 157,332.95
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Solution
The fourth proportional to 259,281.66, 357,832.19 and 157,332.95 is: 217,133.72
Step by Step Solution
- Step 1: Write the proportion equation
259,281.66 : 357,832.19 = 157,332.95 : x - Step 2: Convert to fraction form
259,281.66/357,832.19 = 157,332.95/x - Step 3: Cross multiply
259,281.66x = 357,832.19 × 157,332.95 - Step 4: Simplify right side
259,281.66x = 56,298,791,481.83 - Step 5: Solve for x
x = 56,298,791,481.83/259,281.66 - Step 6: Final answer
x = 217,133.72
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1.5x scale
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.