Home / 286,748.24-430,094.57-87,070.39

Finding the Fourth Proportional to 286,748.24, 430,094.57 and 87,070.39

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Solution

The fourth proportional to 286,748.24, 430,094.57 and 87,070.39 is: 130,597.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,748.24 : 430,094.57 = 87,070.39 : x
  2. Step 2: Convert to fraction form
    286,748.24/430,094.57 = 87,070.39/x
  3. Step 3: Cross multiply
    286,748.24x = 430,094.57 × 87,070.39
  4. Step 4: Simplify right side
    286,748.24x = 37,448,501,089.22
  5. Step 5: Solve for x
    x = 37,448,501,089.22/286,748.24
  6. Step 6: Final answer
    x = 130,597.14

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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.