Home / 249,647.86-344,516.34-142,216.30

Finding the Fourth Proportional to 249,647.86, 344,516.34 and 142,216.30

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Solution

The fourth proportional to 249,647.86, 344,516.34 and 142,216.30 is: 196,259.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,647.86 : 344,516.34 = 142,216.30 : x
  2. Step 2: Convert to fraction form
    249,647.86/344,516.34 = 142,216.30/x
  3. Step 3: Cross multiply
    249,647.86x = 344,516.34 × 142,216.30
  4. Step 4: Simplify right side
    249,647.86x = 48,995,839,164.34
  5. Step 5: Solve for x
    x = 48,995,839,164.34/249,647.86
  6. Step 6: Final answer
    x = 196,259.80

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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.