Home / 369,752.02-510,257.34-199,985.74

Finding the Fourth Proportional to 369,752.02, 510,257.34 and 199,985.74

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Solution

The fourth proportional to 369,752.02, 510,257.34 and 199,985.74 is: 275,980.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,752.02 : 510,257.34 = 199,985.74 : x
  2. Step 2: Convert to fraction form
    369,752.02/510,257.34 = 199,985.74/x
  3. Step 3: Cross multiply
    369,752.02x = 510,257.34 × 199,985.74
  4. Step 4: Simplify right side
    369,752.02x = 102,044,191,730.33
  5. Step 5: Solve for x
    x = 102,044,191,730.33/369,752.02
  6. Step 6: Final answer
    x = 275,980.08

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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.