Home / 338,303.72-507,392.07-169,778.84

Finding the Fourth Proportional to 338,303.72, 507,392.07 and 169,778.84

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Solution

The fourth proportional to 338,303.72, 507,392.07 and 169,778.84 is: 254,636.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,303.72 : 507,392.07 = 169,778.84 : x
  2. Step 2: Convert to fraction form
    338,303.72/507,392.07 = 169,778.84/x
  3. Step 3: Cross multiply
    338,303.72x = 507,392.07 × 169,778.84
  4. Step 4: Simplify right side
    338,303.72x = 86,144,437,069.80
  5. Step 5: Solve for x
    x = 86,144,437,069.80/338,303.72
  6. Step 6: Final answer
    x = 254,636.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.