Home / 380,971.24-571,501.02-144,490.60

Finding the Fourth Proportional to 380,971.24, 571,501.02 and 144,490.60

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Solution

The fourth proportional to 380,971.24, 571,501.02 and 144,490.60 is: 216,752.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,971.24 : 571,501.02 = 144,490.60 : x
  2. Step 2: Convert to fraction form
    380,971.24/571,501.02 = 144,490.60/x
  3. Step 3: Cross multiply
    380,971.24x = 571,501.02 × 144,490.60
  4. Step 4: Simplify right side
    380,971.24x = 82,576,525,280.41
  5. Step 5: Solve for x
    x = 82,576,525,280.41/380,971.24
  6. Step 6: Final answer
    x = 216,752.65

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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.