Home / 380,430.18-524,903.49-225,303.17

Finding the Fourth Proportional to 380,430.18, 524,903.49 and 225,303.17

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Solution

The fourth proportional to 380,430.18, 524,903.49 and 225,303.17 is: 310,864.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,430.18 : 524,903.49 = 225,303.17 : x
  2. Step 2: Convert to fraction form
    380,430.18/524,903.49 = 225,303.17/x
  3. Step 3: Cross multiply
    380,430.18x = 524,903.49 × 225,303.17
  4. Step 4: Simplify right side
    380,430.18x = 118,262,417,616.55
  5. Step 5: Solve for x
    x = 118,262,417,616.55/380,430.18
  6. Step 6: Final answer
    x = 310,864.97

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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.