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Finding the Fourth Proportional to 242,812.16, 335,084.95 and 133,929.01

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Solution

The fourth proportional to 242,812.16, 335,084.95 and 133,929.01 is: 184,824.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,812.16 : 335,084.95 = 133,929.01 : x
  2. Step 2: Convert to fraction form
    242,812.16/335,084.95 = 133,929.01/x
  3. Step 3: Cross multiply
    242,812.16x = 335,084.95 × 133,929.01
  4. Step 4: Simplify right side
    242,812.16x = 44,877,596,205.67
  5. Step 5: Solve for x
    x = 44,877,596,205.67/242,812.16
  6. Step 6: Final answer
    x = 184,824.33

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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.