Home / 430,870.77-646,601.49-150,388.02

Finding the Fourth Proportional to 430,870.77, 646,601.49 and 150,388.02

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Solution

The fourth proportional to 430,870.77, 646,601.49 and 150,388.02 is: 225,685.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,870.77 : 646,601.49 = 150,388.02 : x
  2. Step 2: Convert to fraction form
    430,870.77/646,601.49 = 150,388.02/x
  3. Step 3: Cross multiply
    430,870.77x = 646,601.49 × 150,388.02
  4. Step 4: Simplify right side
    430,870.77x = 97,241,117,810.15
  5. Step 5: Solve for x
    x = 97,241,117,810.15/430,870.77
  6. Step 6: Final answer
    x = 225,685.11

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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.