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Finding the Fourth Proportional to 333,328.47, 459,559.01 and 212,425.65

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Solution

The fourth proportional to 333,328.47, 459,559.01 and 212,425.65 is: 292,870.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,328.47 : 459,559.01 = 212,425.65 : x
  2. Step 2: Convert to fraction form
    333,328.47/459,559.01 = 212,425.65/x
  3. Step 3: Cross multiply
    333,328.47x = 459,559.01 × 212,425.65
  4. Step 4: Simplify right side
    333,328.47x = 97,622,121,412.61
  5. Step 5: Solve for x
    x = 97,622,121,412.61/333,328.47
  6. Step 6: Final answer
    x = 292,870.64

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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.