Home / 401,444.87-602,168.31-135,392.27

Finding the Fourth Proportional to 401,444.87, 602,168.31 and 135,392.27

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Solution

The fourth proportional to 401,444.87, 602,168.31 and 135,392.27 is: 203,088.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,444.87 : 602,168.31 = 135,392.27 : x
  2. Step 2: Convert to fraction form
    401,444.87/602,168.31 = 135,392.27/x
  3. Step 3: Cross multiply
    401,444.87x = 602,168.31 × 135,392.27
  4. Step 4: Simplify right side
    401,444.87x = 81,528,931,402.12
  5. Step 5: Solve for x
    x = 81,528,931,402.12/401,444.87
  6. Step 6: Final answer
    x = 203,088.74

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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.