Home / 369,848.60-510,405.54-216,865.52

Finding the Fourth Proportional to 369,848.60, 510,405.54 and 216,865.52

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Solution

The fourth proportional to 369,848.60, 510,405.54 and 216,865.52 is: 299,282.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,848.60 : 510,405.54 = 216,865.52 : x
  2. Step 2: Convert to fraction form
    369,848.60/510,405.54 = 216,865.52/x
  3. Step 3: Cross multiply
    369,848.60x = 510,405.54 × 216,865.52
  4. Step 4: Simplify right side
    369,848.60x = 110,689,362,842.98
  5. Step 5: Solve for x
    x = 110,689,362,842.98/369,848.60
  6. Step 6: Final answer
    x = 299,282.90

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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.