Home / 340,557.40-510,834.68-103,899.29

Finding the Fourth Proportional to 340,557.40, 510,834.68 and 103,899.29

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Solution

The fourth proportional to 340,557.40, 510,834.68 and 103,899.29 is: 155,848.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,557.40 : 510,834.68 = 103,899.29 : x
  2. Step 2: Convert to fraction form
    340,557.40/510,834.68 = 103,899.29/x
  3. Step 3: Cross multiply
    340,557.40x = 510,834.68 × 103,899.29
  4. Step 4: Simplify right side
    340,557.40x = 53,075,360,039.88
  5. Step 5: Solve for x
    x = 53,075,360,039.88/340,557.40
  6. Step 6: Final answer
    x = 155,848.50

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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.