Home / 207,970.58-286,999.40-112,477.28

Finding the Fourth Proportional to 207,970.58, 286,999.40 and 112,477.28

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Solution

The fourth proportional to 207,970.58, 286,999.40 and 112,477.28 is: 155,218.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,970.58 : 286,999.40 = 112,477.28 : x
  2. Step 2: Convert to fraction form
    207,970.58/286,999.40 = 112,477.28/x
  3. Step 3: Cross multiply
    207,970.58x = 286,999.40 × 112,477.28
  4. Step 4: Simplify right side
    207,970.58x = 32,280,911,210.67
  5. Step 5: Solve for x
    x = 32,280,911,210.67/207,970.58
  6. Step 6: Final answer
    x = 155,218.64

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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.