Home / 380,095.72-524,542.98-210,345.64

Finding the Fourth Proportional to 380,095.72, 524,542.98 and 210,345.64

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Solution

The fourth proportional to 380,095.72, 524,542.98 and 210,345.64 is: 290,283.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,095.72 : 524,542.98 = 210,345.64 : x
  2. Step 2: Convert to fraction form
    380,095.72/524,542.98 = 210,345.64/x
  3. Step 3: Cross multiply
    380,095.72x = 524,542.98 × 210,345.64
  4. Step 4: Simplify right side
    380,095.72x = 110,335,328,835.61
  5. Step 5: Solve for x
    x = 110,335,328,835.61/380,095.72
  6. Step 6: Final answer
    x = 290,283.01

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1.5x scale

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.