Home / 340,285.22-510,501.63-103,621.70

Finding the Fourth Proportional to 340,285.22, 510,501.63 and 103,621.70

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Solution

The fourth proportional to 340,285.22, 510,501.63 and 103,621.70 is: 155,455.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,285.22 : 510,501.63 = 103,621.70 : x
  2. Step 2: Convert to fraction form
    340,285.22/510,501.63 = 103,621.70/x
  3. Step 3: Cross multiply
    340,285.22x = 510,501.63 × 103,621.70
  4. Step 4: Simplify right side
    340,285.22x = 52,899,046,753.37
  5. Step 5: Solve for x
    x = 52,899,046,753.37/340,285.22
  6. Step 6: Final answer
    x = 155,455.02

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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.