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Finding the Fourth Proportional to 346,630.60, 486,332.60 and 346,630.60

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Solution

The fourth proportional to 346,630.60, 486,332.60 and 346,630.60 is: 486,332.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,630.60 : 486,332.60 = 346,630.60 : x
  2. Step 2: Convert to fraction form
    346,630.60/486,332.60 = 346,630.60/x
  3. Step 3: Cross multiply
    346,630.60x = 486,332.60 × 346,630.60
  4. Step 4: Simplify right side
    346,630.60x = 168,577,760,937.56
  5. Step 5: Solve for x
    x = 168,577,760,937.56/346,630.60
  6. Step 6: Final answer
    x = 486,332.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.