Home / 249,365.81-344,133.32-147,478.61

Finding the Fourth Proportional to 249,365.81, 344,133.32 and 147,478.61

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Solution

The fourth proportional to 249,365.81, 344,133.32 and 147,478.61 is: 203,525.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,365.81 : 344,133.32 = 147,478.61 : x
  2. Step 2: Convert to fraction form
    249,365.81/344,133.32 = 147,478.61/x
  3. Step 3: Cross multiply
    249,365.81x = 344,133.32 × 147,478.61
  4. Step 4: Simplify right side
    249,365.81x = 50,752,303,688.29
  5. Step 5: Solve for x
    x = 50,752,303,688.29/249,365.81
  6. Step 6: Final answer
    x = 203,525.51

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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.