Home / 406,624.37-561,142.95-225,339.29

Finding the Fourth Proportional to 406,624.37, 561,142.95 and 225,339.29

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Solution

The fourth proportional to 406,624.37, 561,142.95 and 225,339.29 is: 310,968.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,624.37 : 561,142.95 = 225,339.29 : x
  2. Step 2: Convert to fraction form
    406,624.37/561,142.95 = 225,339.29/x
  3. Step 3: Cross multiply
    406,624.37x = 561,142.95 × 225,339.29
  4. Step 4: Simplify right side
    406,624.37x = 126,447,553,941.51
  5. Step 5: Solve for x
    x = 126,447,553,941.51/406,624.37
  6. Step 6: Final answer
    x = 310,968.95

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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.