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Finding the Fourth Proportional to 462,000.21, 637,515.27 and 258,034.92

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Solution

The fourth proportional to 462,000.21, 637,515.27 and 258,034.92 is: 356,063.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,000.21 : 637,515.27 = 258,034.92 : x
  2. Step 2: Convert to fraction form
    462,000.21/637,515.27 = 258,034.92/x
  3. Step 3: Cross multiply
    462,000.21x = 637,515.27 × 258,034.92
  4. Step 4: Simplify right side
    462,000.21x = 164,501,201,693.23
  5. Step 5: Solve for x
    x = 164,501,201,693.23/462,000.21
  6. Step 6: Final answer
    x = 356,063.05

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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.