Home / 346,064.10-518,998.95-109,479.30

Finding the Fourth Proportional to 346,064.10, 518,998.95 and 109,479.30

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Solution

The fourth proportional to 346,064.10, 518,998.95 and 109,479.30 is: 164,188.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,064.10 : 518,998.95 = 109,479.30 : x
  2. Step 2: Convert to fraction form
    346,064.10/518,998.95 = 109,479.30/x
  3. Step 3: Cross multiply
    346,064.10x = 518,998.95 × 109,479.30
  4. Step 4: Simplify right side
    346,064.10x = 56,819,641,746.74
  5. Step 5: Solve for x
    x = 56,819,641,746.74/346,064.10
  6. Step 6: Final answer
    x = 164,188.20

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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.