Home / 245,476.20-368,430.30-145,511.40

Finding the Fourth Proportional to 245,476.20, 368,430.30 and 145,511.40

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Solution

The fourth proportional to 245,476.20, 368,430.30 and 145,511.40 is: 218,395.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,476.20 : 368,430.30 = 145,511.40 : x
  2. Step 2: Convert to fraction form
    245,476.20/368,430.30 = 145,511.40/x
  3. Step 3: Cross multiply
    245,476.20x = 368,430.30 × 145,511.40
  4. Step 4: Simplify right side
    245,476.20x = 53,610,808,755.42
  5. Step 5: Solve for x
    x = 53,610,808,755.42/245,476.20
  6. Step 6: Final answer
    x = 218,395.14

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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.