Home / 369,429.12-553,236.48-235,915.20

Finding the Fourth Proportional to 369,429.12, 553,236.48 and 235,915.20

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Solution

The fourth proportional to 369,429.12, 553,236.48 and 235,915.20 is: 353,293.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,429.12 : 553,236.48 = 235,915.20 : x
  2. Step 2: Convert to fraction form
    369,429.12/553,236.48 = 235,915.20/x
  3. Step 3: Cross multiply
    369,429.12x = 553,236.48 × 235,915.20
  4. Step 4: Simplify right side
    369,429.12x = 130,516,894,826.50
  5. Step 5: Solve for x
    x = 130,516,894,826.50/369,429.12
  6. Step 6: Final answer
    x = 353,293.47

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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.