Home / 382,985.94-528,520.59-213,260.10

Finding the Fourth Proportional to 382,985.94, 528,520.59 and 213,260.10

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Solution

The fourth proportional to 382,985.94, 528,520.59 and 213,260.10 is: 294,298.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,985.94 : 528,520.59 = 213,260.10 : x
  2. Step 2: Convert to fraction form
    382,985.94/528,520.59 = 213,260.10/x
  3. Step 3: Cross multiply
    382,985.94x = 528,520.59 × 213,260.10
  4. Step 4: Simplify right side
    382,985.94x = 112,712,353,875.46
  5. Step 5: Solve for x
    x = 112,712,353,875.46/382,985.94
  6. Step 6: Final answer
    x = 294,298.93

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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.