Home / 245,983.84-339,341.70-143,946.16

Finding the Fourth Proportional to 245,983.84, 339,341.70 and 143,946.16

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Solution

The fourth proportional to 245,983.84, 339,341.70 and 143,946.16 is: 198,577.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,983.84 : 339,341.70 = 143,946.16 : x
  2. Step 2: Convert to fraction form
    245,983.84/339,341.70 = 143,946.16/x
  3. Step 3: Cross multiply
    245,983.84x = 339,341.70 × 143,946.16
  4. Step 4: Simplify right side
    245,983.84x = 48,846,934,642.87
  5. Step 5: Solve for x
    x = 48,846,934,642.87/245,983.84
  6. Step 6: Final answer
    x = 198,577.82

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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.