Home / 259,760.08-390,084.78-160,509.16

Finding the Fourth Proportional to 259,760.08, 390,084.78 and 160,509.16

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Solution

The fourth proportional to 259,760.08, 390,084.78 and 160,509.16 is: 241,038.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,760.08 : 390,084.78 = 160,509.16 : x
  2. Step 2: Convert to fraction form
    259,760.08/390,084.78 = 160,509.16/x
  3. Step 3: Cross multiply
    259,760.08x = 390,084.78 × 160,509.16
  4. Step 4: Simplify right side
    259,760.08x = 62,612,180,366.58
  5. Step 5: Solve for x
    x = 62,612,180,366.58/259,760.08
  6. Step 6: Final answer
    x = 241,038.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.