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Finding the Fourth Proportional to 340,585.60, 510,003.60 and 270,018.40

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Solution

The fourth proportional to 340,585.60, 510,003.60 and 270,018.40 is: 404,334.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,585.60 : 510,003.60 = 270,018.40 : x
  2. Step 2: Convert to fraction form
    340,585.60/510,003.60 = 270,018.40/x
  3. Step 3: Cross multiply
    340,585.60x = 510,003.60 × 270,018.40
  4. Step 4: Simplify right side
    340,585.60x = 137,710,356,066.24
  5. Step 5: Solve for x
    x = 137,710,356,066.24/340,585.60
  6. Step 6: Final answer
    x = 404,334.05

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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.