Home / 286,271.04-395,071.92-165,434.46

Finding the Fourth Proportional to 286,271.04, 395,071.92 and 165,434.46

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Solution

The fourth proportional to 286,271.04, 395,071.92 and 165,434.46 is: 228,309.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,271.04 : 395,071.92 = 165,434.46 : x
  2. Step 2: Convert to fraction form
    286,271.04/395,071.92 = 165,434.46/x
  3. Step 3: Cross multiply
    286,271.04x = 395,071.92 × 165,434.46
  4. Step 4: Simplify right side
    286,271.04x = 65,358,509,746.36
  5. Step 5: Solve for x
    x = 65,358,509,746.36/286,271.04
  6. Step 6: Final answer
    x = 228,309.89

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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.