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Finding the Fourth Proportional to 607,357.85, 910,943.31 and 202,557.18

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Solution

The fourth proportional to 607,357.85, 910,943.31 and 202,557.18 is: 303,804.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,357.85 : 910,943.31 = 202,557.18 : x
  2. Step 2: Convert to fraction form
    607,357.85/910,943.31 = 202,557.18/x
  3. Step 3: Cross multiply
    607,357.85x = 910,943.31 × 202,557.18
  4. Step 4: Simplify right side
    607,357.85x = 184,518,108,013.47
  5. Step 5: Solve for x
    x = 184,518,108,013.47/607,357.85
  6. Step 6: Final answer
    x = 303,804.60

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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.