Home / 474,947.21-712,271.82-138,011.16

Finding the Fourth Proportional to 474,947.21, 712,271.82 and 138,011.16

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Solution

The fourth proportional to 474,947.21, 712,271.82 and 138,011.16 is: 206,973.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,947.21 : 712,271.82 = 138,011.16 : x
  2. Step 2: Convert to fraction form
    474,947.21/712,271.82 = 138,011.16/x
  3. Step 3: Cross multiply
    474,947.21x = 712,271.82 × 138,011.16
  4. Step 4: Simplify right side
    474,947.21x = 98,301,460,113.51
  5. Step 5: Solve for x
    x = 98,301,460,113.51/474,947.21
  6. Step 6: Final answer
    x = 206,973.44

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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.