Home / 264,428.32-364,913.76-143,570.72

Finding the Fourth Proportional to 264,428.32, 364,913.76 and 143,570.72

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Solution

The fourth proportional to 264,428.32, 364,913.76 and 143,570.72 is: 198,129.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,428.32 : 364,913.76 = 143,570.72 : x
  2. Step 2: Convert to fraction form
    264,428.32/364,913.76 = 143,570.72/x
  3. Step 3: Cross multiply
    264,428.32x = 364,913.76 × 143,570.72
  4. Step 4: Simplify right side
    264,428.32x = 52,390,931,261.11
  5. Step 5: Solve for x
    x = 52,390,931,261.11/264,428.32
  6. Step 6: Final answer
    x = 198,129.05

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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.