Home / 249,638.67-344,461.55-142,210.80

Finding the Fourth Proportional to 249,638.67, 344,461.55 and 142,210.80

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Solution

The fourth proportional to 249,638.67, 344,461.55 and 142,210.80 is: 196,228.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,638.67 : 344,461.55 = 142,210.80 : x
  2. Step 2: Convert to fraction form
    249,638.67/344,461.55 = 142,210.80/x
  3. Step 3: Cross multiply
    249,638.67x = 344,461.55 × 142,210.80
  4. Step 4: Simplify right side
    249,638.67x = 48,986,151,883.69
  5. Step 5: Solve for x
    x = 48,986,151,883.69/249,638.67
  6. Step 6: Final answer
    x = 196,228.22

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1.5x scale

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.