Home / 249,447.30-374,219.55-99,662.10

Finding the Fourth Proportional to 249,447.30, 374,219.55 and 99,662.10

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Solution

The fourth proportional to 249,447.30, 374,219.55 and 99,662.10 is: 149,512.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,447.30 : 374,219.55 = 99,662.10 : x
  2. Step 2: Convert to fraction form
    249,447.30/374,219.55 = 99,662.10/x
  3. Step 3: Cross multiply
    249,447.30x = 374,219.55 × 99,662.10
  4. Step 4: Simplify right side
    249,447.30x = 37,295,506,214.06
  5. Step 5: Solve for x
    x = 37,295,506,214.06/249,447.30
  6. Step 6: Final answer
    x = 149,512.57

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1.5x scale

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.