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Finding the Fourth Proportional to 264,300.73, 364,737.74 and 143,443.06

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Solution

The fourth proportional to 264,300.73, 364,737.74 and 143,443.06 is: 197,952.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,300.73 : 364,737.74 = 143,443.06 : x
  2. Step 2: Convert to fraction form
    264,300.73/364,737.74 = 143,443.06/x
  3. Step 3: Cross multiply
    264,300.73x = 364,737.74 × 143,443.06
  4. Step 4: Simplify right side
    264,300.73x = 52,319,095,894.02
  5. Step 5: Solve for x
    x = 52,319,095,894.02/264,300.73
  6. Step 6: Final answer
    x = 197,952.90

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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.