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Finding the Fourth Proportional to 383,713.36, 529,858.76 and 240,719.20

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Solution

The fourth proportional to 383,713.36, 529,858.76 and 240,719.20 is: 332,402.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,713.36 : 529,858.76 = 240,719.20 : x
  2. Step 2: Convert to fraction form
    383,713.36/529,858.76 = 240,719.20/x
  3. Step 3: Cross multiply
    383,713.36x = 529,858.76 × 240,719.20
  4. Step 4: Simplify right side
    383,713.36x = 127,547,176,820.19
  5. Step 5: Solve for x
    x = 127,547,176,820.19/383,713.36
  6. Step 6: Final answer
    x = 332,402.23

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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.