Home / 291,554.10-402,332.22-162,485.70

Finding the Fourth Proportional to 291,554.10, 402,332.22 and 162,485.70

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Solution

The fourth proportional to 291,554.10, 402,332.22 and 162,485.70 is: 224,223.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,554.10 : 402,332.22 = 162,485.70 : x
  2. Step 2: Convert to fraction form
    291,554.10/402,332.22 = 162,485.70/x
  3. Step 3: Cross multiply
    291,554.10x = 402,332.22 × 162,485.70
  4. Step 4: Simplify right side
    291,554.10x = 65,373,232,399.25
  5. Step 5: Solve for x
    x = 65,373,232,399.25/291,554.10
  6. Step 6: Final answer
    x = 224,223.34

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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.