Home / 869,374.32-1,303,921.52-238,140.60

Finding the Fourth Proportional to 869,374.32, 1,303,921.52 and 238,140.60

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Solution

The fourth proportional to 869,374.32, 1,303,921.52 and 238,140.60 is: 357,172.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,374.32 : 1,303,921.52 = 238,140.60 : x
  2. Step 2: Convert to fraction form
    869,374.32/1,303,921.52 = 238,140.60/x
  3. Step 3: Cross multiply
    869,374.32x = 1,303,921.52 × 238,140.60
  4. Step 4: Simplify right side
    869,374.32x = 310,516,653,125.71
  5. Step 5: Solve for x
    x = 310,516,653,125.71/869,374.32
  6. Step 6: Final answer
    x = 357,172.56

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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.