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Finding the Fourth Proportional to 301,853.60, 453,298.80 and 213,725.60

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Solution

The fourth proportional to 301,853.60, 453,298.80 and 213,725.60 is: 320,955.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,853.60 : 453,298.80 = 213,725.60 : x
  2. Step 2: Convert to fraction form
    301,853.60/453,298.80 = 213,725.60/x
  3. Step 3: Cross multiply
    301,853.60x = 453,298.80 × 213,725.60
  4. Step 4: Simplify right side
    301,853.60x = 96,881,558,009.28
  5. Step 5: Solve for x
    x = 96,881,558,009.28/301,853.60
  6. Step 6: Final answer
    x = 320,955.45

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1.5x scale

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.