Home / 340,557.15-510,834.30-103,899.04

Finding the Fourth Proportional to 340,557.15, 510,834.30 and 103,899.04

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Solution

The fourth proportional to 340,557.15, 510,834.30 and 103,899.04 is: 155,848.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,557.15 : 510,834.30 = 103,899.04 : x
  2. Step 2: Convert to fraction form
    340,557.15/510,834.30 = 103,899.04/x
  3. Step 3: Cross multiply
    340,557.15x = 510,834.30 × 103,899.04
  4. Step 4: Simplify right side
    340,557.15x = 53,075,193,369.07
  5. Step 5: Solve for x
    x = 53,075,193,369.07/340,557.15
  6. Step 6: Final answer
    x = 155,848.13

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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.