Home / 307,746.60-461,555.10-130,259.40

Finding the Fourth Proportional to 307,746.60, 461,555.10 and 130,259.40

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Solution

The fourth proportional to 307,746.60, 461,555.10 and 130,259.40 is: 195,361.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,746.60 : 461,555.10 = 130,259.40 : x
  2. Step 2: Convert to fraction form
    307,746.60/461,555.10 = 130,259.40/x
  3. Step 3: Cross multiply
    307,746.60x = 461,555.10 × 130,259.40
  4. Step 4: Simplify right side
    307,746.60x = 60,121,890,392.94
  5. Step 5: Solve for x
    x = 60,121,890,392.94/307,746.60
  6. Step 6: Final answer
    x = 195,361.67

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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.