Home / 340,779.24-470,275.74-197,622.47

Finding the Fourth Proportional to 340,779.24, 470,275.74 and 197,622.47

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Solution

The fourth proportional to 340,779.24, 470,275.74 and 197,622.47 is: 272,719.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,779.24 : 470,275.74 = 197,622.47 : x
  2. Step 2: Convert to fraction form
    340,779.24/470,275.74 = 197,622.47/x
  3. Step 3: Cross multiply
    340,779.24x = 470,275.74 × 197,622.47
  4. Step 4: Simplify right side
    340,779.24x = 92,937,054,495.57
  5. Step 5: Solve for x
    x = 92,937,054,495.57/340,779.24
  6. Step 6: Final answer
    x = 272,719.24

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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.