Home / 401,293.15-553,331.05-255,904.63

Finding the Fourth Proportional to 401,293.15, 553,331.05 and 255,904.63

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Solution

The fourth proportional to 401,293.15, 553,331.05 and 255,904.63 is: 352,859.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,293.15 : 553,331.05 = 255,904.63 : x
  2. Step 2: Convert to fraction form
    401,293.15/553,331.05 = 255,904.63/x
  3. Step 3: Cross multiply
    401,293.15x = 553,331.05 × 255,904.63
  4. Step 4: Simplify right side
    401,293.15x = 141,599,977,617.76
  5. Step 5: Solve for x
    x = 141,599,977,617.76/401,293.15
  6. Step 6: Final answer
    x = 352,859.19

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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.