Home / 369,831.80-554,423.70-251,118.20

Finding the Fourth Proportional to 369,831.80, 554,423.70 and 251,118.20

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Solution

The fourth proportional to 369,831.80, 554,423.70 and 251,118.20 is: 376,457.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,831.80 : 554,423.70 = 251,118.20 : x
  2. Step 2: Convert to fraction form
    369,831.80/554,423.70 = 251,118.20/x
  3. Step 3: Cross multiply
    369,831.80x = 554,423.70 × 251,118.20
  4. Step 4: Simplify right side
    369,831.80x = 139,225,881,581.34
  5. Step 5: Solve for x
    x = 139,225,881,581.34/369,831.80
  6. Step 6: Final answer
    x = 376,457.30

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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.