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Finding the Fourth Proportional to 340,266.60, 510,594.30 and 130,055.40

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Solution

The fourth proportional to 340,266.60, 510,594.30 and 130,055.40 is: 195,157.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,266.60 : 510,594.30 = 130,055.40 : x
  2. Step 2: Convert to fraction form
    340,266.60/510,594.30 = 130,055.40/x
  3. Step 3: Cross multiply
    340,266.60x = 510,594.30 × 130,055.40
  4. Step 4: Simplify right side
    340,266.60x = 66,405,545,924.22
  5. Step 5: Solve for x
    x = 66,405,545,924.22/340,266.60
  6. Step 6: Final answer
    x = 195,157.40

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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.