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Finding the Fourth Proportional to 553,253, 829,880.22 and 153,893.80

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Solution

The fourth proportional to 553,253, 829,880.22 and 153,893.80 is: 230,840.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,253 : 829,880.22 = 153,893.80 : x
  2. Step 2: Convert to fraction form
    553,253/829,880.22 = 153,893.80/x
  3. Step 3: Cross multiply
    553,253x = 829,880.22 × 153,893.80
  4. Step 4: Simplify right side
    553,253x = 127,713,420,600.64
  5. Step 5: Solve for x
    x = 127,713,420,600.64/553,253
  6. Step 6: Final answer
    x = 230,840.90

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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.