Home / 415,390.18-573,429.81-243,284.26

Finding the Fourth Proportional to 415,390.18, 573,429.81 and 243,284.26

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Solution

The fourth proportional to 415,390.18, 573,429.81 and 243,284.26 is: 335,844.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,390.18 : 573,429.81 = 243,284.26 : x
  2. Step 2: Convert to fraction form
    415,390.18/573,429.81 = 243,284.26/x
  3. Step 3: Cross multiply
    415,390.18x = 573,429.81 × 243,284.26
  4. Step 4: Simplify right side
    415,390.18x = 139,506,446,987.79
  5. Step 5: Solve for x
    x = 139,506,446,987.79/415,390.18
  6. Step 6: Final answer
    x = 335,844.35

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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.