Home / 250,384.36-345,530.60-137,207.16

Finding the Fourth Proportional to 250,384.36, 345,530.60 and 137,207.16

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Solution

The fourth proportional to 250,384.36, 345,530.60 and 137,207.16 is: 189,345.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,384.36 : 345,530.60 = 137,207.16 : x
  2. Step 2: Convert to fraction form
    250,384.36/345,530.60 = 137,207.16/x
  3. Step 3: Cross multiply
    250,384.36x = 345,530.60 × 137,207.16
  4. Step 4: Simplify right side
    250,384.36x = 47,409,272,319.10
  5. Step 5: Solve for x
    x = 47,409,272,319.10/250,384.36
  6. Step 6: Final answer
    x = 189,345.98

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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.