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Finding the Fourth Proportional to 292,224.80, 438,351.60 and 152,256.80

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Solution

The fourth proportional to 292,224.80, 438,351.60 and 152,256.80 is: 228,392.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,224.80 : 438,351.60 = 152,256.80 : x
  2. Step 2: Convert to fraction form
    292,224.80/438,351.60 = 152,256.80/x
  3. Step 3: Cross multiply
    292,224.80x = 438,351.60 × 152,256.80
  4. Step 4: Simplify right side
    292,224.80x = 66,742,011,890.88
  5. Step 5: Solve for x
    x = 66,742,011,890.88/292,224.80
  6. Step 6: Final answer
    x = 228,392.70

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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.