Home / 398,037.36-549,291.59-216,749.24

Finding the Fourth Proportional to 398,037.36, 549,291.59 and 216,749.24

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Solution

The fourth proportional to 398,037.36, 549,291.59 and 216,749.24 is: 299,113.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,037.36 : 549,291.59 = 216,749.24 : x
  2. Step 2: Convert to fraction form
    398,037.36/549,291.59 = 216,749.24/x
  3. Step 3: Cross multiply
    398,037.36x = 549,291.59 × 216,749.24
  4. Step 4: Simplify right side
    398,037.36x = 119,058,530,840.69
  5. Step 5: Solve for x
    x = 119,058,530,840.69/398,037.36
  6. Step 6: Final answer
    x = 299,113.96

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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.