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Finding the Fourth Proportional to 291,124.89, 401,752.44 and 163,800.45

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Solution

The fourth proportional to 291,124.89, 401,752.44 and 163,800.45 is: 226,044.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,124.89 : 401,752.44 = 163,800.45 : x
  2. Step 2: Convert to fraction form
    291,124.89/401,752.44 = 163,800.45/x
  3. Step 3: Cross multiply
    291,124.89x = 401,752.44 × 163,800.45
  4. Step 4: Simplify right side
    291,124.89x = 65,807,230,460.60
  5. Step 5: Solve for x
    x = 65,807,230,460.60/291,124.89
  6. Step 6: Final answer
    x = 226,044.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.