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Finding the Fourth Proportional to 243,533.80, 336,074.02 and 134,637.67

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Solution

The fourth proportional to 243,533.80, 336,074.02 and 134,637.67 is: 185,798.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,533.80 : 336,074.02 = 134,637.67 : x
  2. Step 2: Convert to fraction form
    243,533.80/336,074.02 = 134,637.67/x
  3. Step 3: Cross multiply
    243,533.80x = 336,074.02 × 134,637.67
  4. Step 4: Simplify right side
    243,533.80x = 45,248,223,000.33
  5. Step 5: Solve for x
    x = 45,248,223,000.33/243,533.80
  6. Step 6: Final answer
    x = 185,798.53

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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.