Home / 236,804.20-355,206.30-210,999.40

Finding the Fourth Proportional to 236,804.20, 355,206.30 and 210,999.40

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Solution

The fourth proportional to 236,804.20, 355,206.30 and 210,999.40 is: 316,499.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,804.20 : 355,206.30 = 210,999.40 : x
  2. Step 2: Convert to fraction form
    236,804.20/355,206.30 = 210,999.40/x
  3. Step 3: Cross multiply
    236,804.20x = 355,206.30 × 210,999.40
  4. Step 4: Simplify right side
    236,804.20x = 74,948,316,176.22
  5. Step 5: Solve for x
    x = 74,948,316,176.22/236,804.20
  6. Step 6: Final answer
    x = 316,499.10

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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.