Home / 261,155.36-360,389.30-152,280.04

Finding the Fourth Proportional to 261,155.36, 360,389.30 and 152,280.04

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Solution

The fourth proportional to 261,155.36, 360,389.30 and 152,280.04 is: 210,143.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,155.36 : 360,389.30 = 152,280.04 : x
  2. Step 2: Convert to fraction form
    261,155.36/360,389.30 = 152,280.04/x
  3. Step 3: Cross multiply
    261,155.36x = 360,389.30 × 152,280.04
  4. Step 4: Simplify right side
    261,155.36x = 54,880,097,019.57
  5. Step 5: Solve for x
    x = 54,880,097,019.57/261,155.36
  6. Step 6: Final answer
    x = 210,143.48

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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.