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Finding the Fourth Proportional to 371,510.26, 512,691.06 and 210,364.82

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Solution

The fourth proportional to 371,510.26, 512,691.06 and 210,364.82 is: 290,307.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,510.26 : 512,691.06 = 210,364.82 : x
  2. Step 2: Convert to fraction form
    371,510.26/512,691.06 = 210,364.82/x
  3. Step 3: Cross multiply
    371,510.26x = 512,691.06 × 210,364.82
  4. Step 4: Simplify right side
    371,510.26x = 107,852,162,552.51
  5. Step 5: Solve for x
    x = 107,852,162,552.51/371,510.26
  6. Step 6: Final answer
    x = 290,307.36

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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.