Home / 286,767.05-430,151.27-87,088.95

Finding the Fourth Proportional to 286,767.05, 430,151.27 and 87,088.95

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Solution

The fourth proportional to 286,767.05, 430,151.27 and 87,088.95 is: 130,633.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,767.05 : 430,151.27 = 87,088.95 : x
  2. Step 2: Convert to fraction form
    286,767.05/430,151.27 = 87,088.95/x
  3. Step 3: Cross multiply
    286,767.05x = 430,151.27 × 87,088.95
  4. Step 4: Simplify right side
    286,767.05x = 37,461,422,010.02
  5. Step 5: Solve for x
    x = 37,461,422,010.02/286,767.05
  6. Step 6: Final answer
    x = 130,633.64

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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.