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Finding the Fourth Proportional to 289,807.02, 434,712.03 and 131,925.06

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Solution

The fourth proportional to 289,807.02, 434,712.03 and 131,925.06 is: 197,888.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,807.02 : 434,712.03 = 131,925.06 : x
  2. Step 2: Convert to fraction form
    289,807.02/434,712.03 = 131,925.06/x
  3. Step 3: Cross multiply
    289,807.02x = 434,712.03 × 131,925.06
  4. Step 4: Simplify right side
    289,807.02x = 57,349,410,640.47
  5. Step 5: Solve for x
    x = 57,349,410,640.47/289,807.02
  6. Step 6: Final answer
    x = 197,888.27

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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.