Home / 490,869.02-736,312.74-153,902.20

Finding the Fourth Proportional to 490,869.02, 736,312.74 and 153,902.20

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Solution

The fourth proportional to 490,869.02, 736,312.74 and 153,902.20 is: 230,856.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,869.02 : 736,312.74 = 153,902.20 : x
  2. Step 2: Convert to fraction form
    490,869.02/736,312.74 = 153,902.20/x
  3. Step 3: Cross multiply
    490,869.02x = 736,312.74 × 153,902.20
  4. Step 4: Simplify right side
    490,869.02x = 113,320,150,574.03
  5. Step 5: Solve for x
    x = 113,320,150,574.03/490,869.02
  6. Step 6: Final answer
    x = 230,856.19

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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.