Home / 249,139.36-343,707.60-173,731.60

Finding the Fourth Proportional to 249,139.36, 343,707.60 and 173,731.60

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Solution

The fourth proportional to 249,139.36, 343,707.60 and 173,731.60 is: 239,676.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,139.36 : 343,707.60 = 173,731.60 : x
  2. Step 2: Convert to fraction form
    249,139.36/343,707.60 = 173,731.60/x
  3. Step 3: Cross multiply
    249,139.36x = 343,707.60 × 173,731.60
  4. Step 4: Simplify right side
    249,139.36x = 59,712,871,280.16
  5. Step 5: Solve for x
    x = 59,712,871,280.16/249,139.36
  6. Step 6: Final answer
    x = 239,676.59

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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.