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Finding the Fourth Proportional to 286,280.10, 401,345.10 and 286,280.10

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Solution

The fourth proportional to 286,280.10, 401,345.10 and 286,280.10 is: 401,345.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,280.10 : 401,345.10 = 286,280.10 : x
  2. Step 2: Convert to fraction form
    286,280.10/401,345.10 = 286,280.10/x
  3. Step 3: Cross multiply
    286,280.10x = 401,345.10 × 286,280.10
  4. Step 4: Simplify right side
    286,280.10x = 114,897,115,362.51
  5. Step 5: Solve for x
    x = 114,897,115,362.51/286,280.10
  6. Step 6: Final answer
    x = 401,345.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.