Home / 235,345.02-324,785.78-133,369.40

Finding the Fourth Proportional to 235,345.02, 324,785.78 and 133,369.40

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Solution

The fourth proportional to 235,345.02, 324,785.78 and 133,369.40 is: 184,055.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,345.02 : 324,785.78 = 133,369.40 : x
  2. Step 2: Convert to fraction form
    235,345.02/324,785.78 = 133,369.40/x
  3. Step 3: Cross multiply
    235,345.02x = 324,785.78 × 133,369.40
  4. Step 4: Simplify right side
    235,345.02x = 43,316,484,607.13
  5. Step 5: Solve for x
    x = 43,316,484,607.13/235,345.02
  6. Step 6: Final answer
    x = 184,055.24

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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.