Home / 286,749.04-430,095.77-87,071.18

Finding the Fourth Proportional to 286,749.04, 430,095.77 and 87,071.18

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Solution

The fourth proportional to 286,749.04, 430,095.77 and 87,071.18 is: 130,598.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,749.04 : 430,095.77 = 87,071.18 : x
  2. Step 2: Convert to fraction form
    286,749.04/430,095.77 = 87,071.18/x
  3. Step 3: Cross multiply
    286,749.04x = 430,095.77 × 87,071.18
  4. Step 4: Simplify right side
    286,749.04x = 37,448,946,846.79
  5. Step 5: Solve for x
    x = 37,448,946,846.79/286,749.04
  6. Step 6: Final answer
    x = 130,598.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.