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Finding the Fourth Proportional to 423,334.84, 584,213.16 and 242,076.28

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Solution

The fourth proportional to 423,334.84, 584,213.16 and 242,076.28 is: 334,071.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,334.84 : 584,213.16 = 242,076.28 : x
  2. Step 2: Convert to fraction form
    423,334.84/584,213.16 = 242,076.28/x
  3. Step 3: Cross multiply
    423,334.84x = 584,213.16 × 242,076.28
  4. Step 4: Simplify right side
    423,334.84x = 141,424,148,499.85
  5. Step 5: Solve for x
    x = 141,424,148,499.85/423,334.84
  6. Step 6: Final answer
    x = 334,071.60

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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.