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Finding the Fourth Proportional to 340,485.36, 510,810.76 and 103,832.24

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Solution

The fourth proportional to 340,485.36, 510,810.76 and 103,832.24 is: 155,773.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,485.36 : 510,810.76 = 103,832.24 : x
  2. Step 2: Convert to fraction form
    340,485.36/510,810.76 = 103,832.24/x
  3. Step 3: Cross multiply
    340,485.36x = 510,810.76 × 103,832.24
  4. Step 4: Simplify right side
    340,485.36x = 53,038,625,426.90
  5. Step 5: Solve for x
    x = 53,038,625,426.90/340,485.36
  6. Step 6: Final answer
    x = 155,773.59

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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.