Home / 514,225.12-771,258.48-140,277.28

Finding the Fourth Proportional to 514,225.12, 771,258.48 and 140,277.28

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Solution

The fourth proportional to 514,225.12, 771,258.48 and 140,277.28 is: 210,394.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,225.12 : 771,258.48 = 140,277.28 : x
  2. Step 2: Convert to fraction form
    514,225.12/771,258.48 = 140,277.28/x
  3. Step 3: Cross multiply
    514,225.12x = 771,258.48 × 140,277.28
  4. Step 4: Simplify right side
    514,225.12x = 108,190,041,751.33
  5. Step 5: Solve for x
    x = 108,190,041,751.33/514,225.12
  6. Step 6: Final answer
    x = 210,394.31

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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.