Home / 264,313.40-364,755.08-143,455.76

Finding the Fourth Proportional to 264,313.40, 364,755.08 and 143,455.76

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Solution

The fourth proportional to 264,313.40, 364,755.08 and 143,455.76 is: 197,970.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,313.40 : 364,755.08 = 143,455.76 : x
  2. Step 2: Convert to fraction form
    264,313.40/364,755.08 = 143,455.76/x
  3. Step 3: Cross multiply
    264,313.40x = 364,755.08 × 143,455.76
  4. Step 4: Simplify right side
    264,313.40x = 52,326,217,215.26
  5. Step 5: Solve for x
    x = 52,326,217,215.26/264,313.40
  6. Step 6: Final answer
    x = 197,970.35

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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.