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Finding the Fourth Proportional to 152,801.63, 228,994.79 and 57,980.84

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Solution

The fourth proportional to 152,801.63, 228,994.79 and 57,980.84 is: 86,892.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,801.63 : 228,994.79 = 57,980.84 : x
  2. Step 2: Convert to fraction form
    152,801.63/228,994.79 = 57,980.84/x
  3. Step 3: Cross multiply
    152,801.63x = 228,994.79 × 57,980.84
  4. Step 4: Simplify right side
    152,801.63x = 13,277,308,844.95
  5. Step 5: Solve for x
    x = 13,277,308,844.95/152,801.63
  6. Step 6: Final answer
    x = 86,892.46

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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.