Home / 340,272.51-510,485.04-103,633.71

Finding the Fourth Proportional to 340,272.51, 510,485.04 and 103,633.71

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Solution

The fourth proportional to 340,272.51, 510,485.04 and 103,633.71 is: 155,473.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,272.51 : 510,485.04 = 103,633.71 : x
  2. Step 2: Convert to fraction form
    340,272.51/510,485.04 = 103,633.71/x
  3. Step 3: Cross multiply
    340,272.51x = 510,485.04 × 103,633.71
  4. Step 4: Simplify right side
    340,272.51x = 52,903,458,594.70
  5. Step 5: Solve for x
    x = 52,903,458,594.70/340,272.51
  6. Step 6: Final answer
    x = 155,473.80

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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.