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Finding the Fourth Proportional to 535,746.60, 802,963.80 and 235,908.90

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Solution

The fourth proportional to 535,746.60, 802,963.80 and 235,908.90 is: 353,574.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,746.60 : 802,963.80 = 235,908.90 : x
  2. Step 2: Convert to fraction form
    535,746.60/802,963.80 = 235,908.90/x
  3. Step 3: Cross multiply
    535,746.60x = 802,963.80 × 235,908.90
  4. Step 4: Simplify right side
    535,746.60x = 189,426,306,797.82
  5. Step 5: Solve for x
    x = 189,426,306,797.82/535,746.60
  6. Step 6: Final answer
    x = 353,574.45

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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.