Home / 369,975.16-510,402.89-216,935.65

Finding the Fourth Proportional to 369,975.16, 510,402.89 and 216,935.65

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Solution

The fourth proportional to 369,975.16, 510,402.89 and 216,935.65 is: 299,275.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,975.16 : 510,402.89 = 216,935.65 : x
  2. Step 2: Convert to fraction form
    369,975.16/510,402.89 = 216,935.65/x
  3. Step 3: Cross multiply
    369,975.16x = 510,402.89 × 216,935.65
  4. Step 4: Simplify right side
    369,975.16x = 110,724,579,067.34
  5. Step 5: Solve for x
    x = 110,724,579,067.34/369,975.16
  6. Step 6: Final answer
    x = 299,275.72

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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.