Home / 357,985.17-536,960.75-105,255.45

Finding the Fourth Proportional to 357,985.17, 536,960.75 and 105,255.45

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Solution

The fourth proportional to 357,985.17, 536,960.75 and 105,255.45 is: 157,878.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,985.17 : 536,960.75 = 105,255.45 : x
  2. Step 2: Convert to fraction form
    357,985.17/536,960.75 = 105,255.45/x
  3. Step 3: Cross multiply
    357,985.17x = 536,960.75 × 105,255.45
  4. Step 4: Simplify right side
    357,985.17x = 56,518,044,847.31
  5. Step 5: Solve for x
    x = 56,518,044,847.31/357,985.17
  6. Step 6: Final answer
    x = 157,878.17

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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.