Home / 286,749.60-429,533.10-168,061.20

Finding the Fourth Proportional to 286,749.60, 429,533.10 and 168,061.20

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Solution

The fourth proportional to 286,749.60, 429,533.10 and 168,061.20 is: 251,745.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,749.60 : 429,533.10 = 168,061.20 : x
  2. Step 2: Convert to fraction form
    286,749.60/429,533.10 = 168,061.20/x
  3. Step 3: Cross multiply
    286,749.60x = 429,533.10 × 168,061.20
  4. Step 4: Simplify right side
    286,749.60x = 72,187,848,225.72
  5. Step 5: Solve for x
    x = 72,187,848,225.72/286,749.60
  6. Step 6: Final answer
    x = 251,745.24

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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.