Home / 476,138.04-657,070.08-261,291.60

Finding the Fourth Proportional to 476,138.04, 657,070.08 and 261,291.60

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Solution

The fourth proportional to 476,138.04, 657,070.08 and 261,291.60 is: 360,582.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,138.04 : 657,070.08 = 261,291.60 : x
  2. Step 2: Convert to fraction form
    476,138.04/657,070.08 = 261,291.60/x
  3. Step 3: Cross multiply
    476,138.04x = 657,070.08 × 261,291.60
  4. Step 4: Simplify right side
    476,138.04x = 171,686,892,515.33
  5. Step 5: Solve for x
    x = 171,686,892,515.33/476,138.04
  6. Step 6: Final answer
    x = 360,582.18

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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.