Home / 260,032.16-358,840.20-145,312.40

Finding the Fourth Proportional to 260,032.16, 358,840.20 and 145,312.40

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Solution

The fourth proportional to 260,032.16, 358,840.20 and 145,312.40 is: 200,528.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,032.16 : 358,840.20 = 145,312.40 : x
  2. Step 2: Convert to fraction form
    260,032.16/358,840.20 = 145,312.40/x
  3. Step 3: Cross multiply
    260,032.16x = 358,840.20 × 145,312.40
  4. Step 4: Simplify right side
    260,032.16x = 52,143,930,678.48
  5. Step 5: Solve for x
    x = 52,143,930,678.48/260,032.16
  6. Step 6: Final answer
    x = 200,528.78

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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.