Home / 249,599.79-344,442.64-136,423.35

Finding the Fourth Proportional to 249,599.79, 344,442.64 and 136,423.35

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Solution

The fourth proportional to 249,599.79, 344,442.64 and 136,423.35 is: 188,261.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,599.79 : 344,442.64 = 136,423.35 : x
  2. Step 2: Convert to fraction form
    249,599.79/344,442.64 = 136,423.35/x
  3. Step 3: Cross multiply
    249,599.79x = 344,442.64 × 136,423.35
  4. Step 4: Simplify right side
    249,599.79x = 46,990,018,831.64
  5. Step 5: Solve for x
    x = 46,990,018,831.64/249,599.79
  6. Step 6: Final answer
    x = 188,261.45

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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.