Home / 384,747.93-530,935.68-212,657.10

Finding the Fourth Proportional to 384,747.93, 530,935.68 and 212,657.10

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Solution

The fourth proportional to 384,747.93, 530,935.68 and 212,657.10 is: 293,457.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,747.93 : 530,935.68 = 212,657.10 : x
  2. Step 2: Convert to fraction form
    384,747.93/530,935.68 = 212,657.10/x
  3. Step 3: Cross multiply
    384,747.93x = 530,935.68 × 212,657.10
  4. Step 4: Simplify right side
    384,747.93x = 112,907,241,995.33
  5. Step 5: Solve for x
    x = 112,907,241,995.33/384,747.93
  6. Step 6: Final answer
    x = 293,457.70

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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.