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Finding the Fourth Proportional to 401,441.36, 602,162.32 and 101,944.40

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Solution

The fourth proportional to 401,441.36, 602,162.32 and 101,944.40 is: 152,916.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,441.36 : 602,162.32 = 101,944.40 : x
  2. Step 2: Convert to fraction form
    401,441.36/602,162.32 = 101,944.40/x
  3. Step 3: Cross multiply
    401,441.36x = 602,162.32 × 101,944.40
  4. Step 4: Simplify right side
    401,441.36x = 61,387,076,415.01
  5. Step 5: Solve for x
    x = 61,387,076,415.01/401,441.36
  6. Step 6: Final answer
    x = 152,916.67

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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.