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Finding the Fourth Proportional to 302,520.96, 453,880.80 and 152,690.40

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Solution

The fourth proportional to 302,520.96, 453,880.80 and 152,690.40 is: 229,085.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,520.96 : 453,880.80 = 152,690.40 : x
  2. Step 2: Convert to fraction form
    302,520.96/453,880.80 = 152,690.40/x
  3. Step 3: Cross multiply
    302,520.96x = 453,880.80 × 152,690.40
  4. Step 4: Simplify right side
    302,520.96x = 69,303,240,904.32
  5. Step 5: Solve for x
    x = 69,303,240,904.32/302,520.96
  6. Step 6: Final answer
    x = 229,085.75

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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.