Home / 346,493.13-519,739.65-130,392.48

Finding the Fourth Proportional to 346,493.13, 519,739.65 and 130,392.48

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Solution

The fourth proportional to 346,493.13, 519,739.65 and 130,392.48 is: 195,588.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,493.13 : 519,739.65 = 130,392.48 : x
  2. Step 2: Convert to fraction form
    346,493.13/519,739.65 = 130,392.48/x
  3. Step 3: Cross multiply
    346,493.13x = 519,739.65 × 130,392.48
  4. Step 4: Simplify right side
    346,493.13x = 67,770,141,917.83
  5. Step 5: Solve for x
    x = 67,770,141,917.83/346,493.13
  6. Step 6: Final answer
    x = 195,588.70

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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.