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Finding the Fourth Proportional to 302,417.58, 453,558.71 and 89,139.98

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Solution

The fourth proportional to 302,417.58, 453,558.71 and 89,139.98 is: 133,690.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,417.58 : 453,558.71 = 89,139.98 : x
  2. Step 2: Convert to fraction form
    302,417.58/453,558.71 = 89,139.98/x
  3. Step 3: Cross multiply
    302,417.58x = 453,558.71 × 89,139.98
  4. Step 4: Simplify right side
    302,417.58x = 40,430,211,624.73
  5. Step 5: Solve for x
    x = 40,430,211,624.73/302,417.58
  6. Step 6: Final answer
    x = 133,690.02

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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.