Home / 384,494.02-530,599.23-212,423.09

Finding the Fourth Proportional to 384,494.02, 530,599.23 and 212,423.09

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Solution

The fourth proportional to 384,494.02, 530,599.23 and 212,423.09 is: 293,142.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,494.02 : 530,599.23 = 212,423.09 : x
  2. Step 2: Convert to fraction form
    384,494.02/530,599.23 = 212,423.09/x
  3. Step 3: Cross multiply
    384,494.02x = 530,599.23 × 212,423.09
  4. Step 4: Simplify right side
    384,494.02x = 112,711,527,988.22
  5. Step 5: Solve for x
    x = 112,711,527,988.22/384,494.02
  6. Step 6: Final answer
    x = 293,142.47

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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.