Home / 210,904.77-291,048.60-115,411.47

Finding the Fourth Proportional to 210,904.77, 291,048.60 and 115,411.47

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Solution

The fourth proportional to 210,904.77, 291,048.60 and 115,411.47 is: 159,267.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,904.77 : 291,048.60 = 115,411.47 : x
  2. Step 2: Convert to fraction form
    210,904.77/291,048.60 = 115,411.47/x
  3. Step 3: Cross multiply
    210,904.77x = 291,048.60 × 115,411.47
  4. Step 4: Simplify right side
    210,904.77x = 33,590,346,767.44
  5. Step 5: Solve for x
    x = 33,590,346,767.44/210,904.77
  6. Step 6: Final answer
    x = 159,267.84

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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.