Home / 245,466.20-368,415.30-145,501.40

Finding the Fourth Proportional to 245,466.20, 368,415.30 and 145,501.40

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Solution

The fourth proportional to 245,466.20, 368,415.30 and 145,501.40 is: 218,380.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,466.20 : 368,415.30 = 145,501.40 : x
  2. Step 2: Convert to fraction form
    245,466.20/368,415.30 = 145,501.40/x
  3. Step 3: Cross multiply
    245,466.20x = 368,415.30 × 145,501.40
  4. Step 4: Simplify right side
    245,466.20x = 53,604,941,931.42
  5. Step 5: Solve for x
    x = 53,604,941,931.42/245,466.20
  6. Step 6: Final answer
    x = 218,380.14

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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.