Home / 346,300.20-519,498.90-109,618.20

Finding the Fourth Proportional to 346,300.20, 519,498.90 and 109,618.20

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Solution

The fourth proportional to 346,300.20, 519,498.90 and 109,618.20 is: 164,442.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,300.20 : 519,498.90 = 109,618.20 : x
  2. Step 2: Convert to fraction form
    346,300.20/519,498.90 = 109,618.20/x
  3. Step 3: Cross multiply
    346,300.20x = 519,498.90 × 109,618.20
  4. Step 4: Simplify right side
    346,300.20x = 56,946,534,319.98
  5. Step 5: Solve for x
    x = 56,946,534,319.98/346,300.20
  6. Step 6: Final answer
    x = 164,442.68

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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.