Home / 346,501.20-519,946.20-146,787.60

Finding the Fourth Proportional to 346,501.20, 519,946.20 and 146,787.60

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Solution

The fourth proportional to 346,501.20, 519,946.20 and 146,787.60 is: 220,263.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,501.20 : 519,946.20 = 146,787.60 : x
  2. Step 2: Convert to fraction form
    346,501.20/519,946.20 = 146,787.60/x
  3. Step 3: Cross multiply
    346,501.20x = 519,946.20 × 146,787.60
  4. Step 4: Simplify right side
    346,501.20x = 76,321,654,827.12
  5. Step 5: Solve for x
    x = 76,321,654,827.12/346,501.20
  6. Step 6: Final answer
    x = 220,263.75

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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.