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Finding the Fourth Proportional to 255,032.40, 384,458.64 and 237,905.76

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Solution

The fourth proportional to 255,032.40, 384,458.64 and 237,905.76 is: 358,640.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,032.40 : 384,458.64 = 237,905.76 : x
  2. Step 2: Convert to fraction form
    255,032.40/384,458.64 = 237,905.76/x
  3. Step 3: Cross multiply
    255,032.40x = 384,458.64 × 237,905.76
  4. Step 4: Simplify right side
    255,032.40x = 91,464,924,937.77
  5. Step 5: Solve for x
    x = 91,464,924,937.77/255,032.40
  6. Step 6: Final answer
    x = 358,640.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.