Home / 340,237.13-510,355.69-118,621.13

Finding the Fourth Proportional to 340,237.13, 510,355.69 and 118,621.13

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Solution

The fourth proportional to 340,237.13, 510,355.69 and 118,621.13 is: 177,931.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,237.13 : 510,355.69 = 118,621.13 : x
  2. Step 2: Convert to fraction form
    340,237.13/510,355.69 = 118,621.13/x
  3. Step 3: Cross multiply
    340,237.13x = 510,355.69 × 118,621.13
  4. Step 4: Simplify right side
    340,237.13x = 60,538,965,801.40
  5. Step 5: Solve for x
    x = 60,538,965,801.40/340,237.13
  6. Step 6: Final answer
    x = 177,931.69

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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.