Home / 646,829.40-970,071.30-197,549.40

Finding the Fourth Proportional to 646,829.40, 970,071.30 and 197,549.40

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Solution

The fourth proportional to 646,829.40, 970,071.30 and 197,549.40 is: 296,271.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,829.40 : 970,071.30 = 197,549.40 : x
  2. Step 2: Convert to fraction form
    646,829.40/970,071.30 = 197,549.40/x
  3. Step 3: Cross multiply
    646,829.40x = 970,071.30 × 197,549.40
  4. Step 4: Simplify right side
    646,829.40x = 191,637,003,272.22
  5. Step 5: Solve for x
    x = 191,637,003,272.22/646,829.40
  6. Step 6: Final answer
    x = 296,271.32

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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.