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Finding the Fourth Proportional to 249,025.95, 343,655.04 and 135,847.89

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Solution

The fourth proportional to 249,025.95, 343,655.04 and 135,847.89 is: 187,469.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,025.95 : 343,655.04 = 135,847.89 : x
  2. Step 2: Convert to fraction form
    249,025.95/343,655.04 = 135,847.89/x
  3. Step 3: Cross multiply
    249,025.95x = 343,655.04 × 135,847.89
  4. Step 4: Simplify right side
    249,025.95x = 46,684,812,071.87
  5. Step 5: Solve for x
    x = 46,684,812,071.87/249,025.95
  6. Step 6: Final answer
    x = 187,469.67

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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.