Home / 401,038.65-553,433.16-219,750.93

Finding the Fourth Proportional to 401,038.65, 553,433.16 and 219,750.93

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Solution

The fourth proportional to 401,038.65, 553,433.16 and 219,750.93 is: 303,256.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,038.65 : 553,433.16 = 219,750.93 : x
  2. Step 2: Convert to fraction form
    401,038.65/553,433.16 = 219,750.93/x
  3. Step 3: Cross multiply
    401,038.65x = 553,433.16 × 219,750.93
  4. Step 4: Simplify right side
    401,038.65x = 121,617,451,602.84
  5. Step 5: Solve for x
    x = 121,617,451,602.84/401,038.65
  6. Step 6: Final answer
    x = 303,256.19

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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.