Home / 211,541.10-317,311.65-201,699.60

Finding the Fourth Proportional to 211,541.10, 317,311.65 and 201,699.60

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Solution

The fourth proportional to 211,541.10, 317,311.65 and 201,699.60 is: 302,549.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,541.10 : 317,311.65 = 201,699.60 : x
  2. Step 2: Convert to fraction form
    211,541.10/317,311.65 = 201,699.60/x
  3. Step 3: Cross multiply
    211,541.10x = 317,311.65 × 201,699.60
  4. Step 4: Simplify right side
    211,541.10x = 64,001,632,880.34
  5. Step 5: Solve for x
    x = 64,001,632,880.34/211,541.10
  6. Step 6: Final answer
    x = 302,549.40

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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.