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Finding the Fourth Proportional to 302,528.16, 417,488.72 and 168,423.84

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Solution

The fourth proportional to 302,528.16, 417,488.72 and 168,423.84 is: 232,424.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,528.16 : 417,488.72 = 168,423.84 : x
  2. Step 2: Convert to fraction form
    302,528.16/417,488.72 = 168,423.84/x
  3. Step 3: Cross multiply
    302,528.16x = 417,488.72 × 168,423.84
  4. Step 4: Simplify right side
    302,528.16x = 70,315,053,379.08
  5. Step 5: Solve for x
    x = 70,315,053,379.08/302,528.16
  6. Step 6: Final answer
    x = 232,424.82

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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.