Home / 249,639.21-344,501.64-136,461.96

Finding the Fourth Proportional to 249,639.21, 344,501.64 and 136,461.96

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Solution

The fourth proportional to 249,639.21, 344,501.64 and 136,461.96 is: 188,317.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,639.21 : 344,501.64 = 136,461.96 : x
  2. Step 2: Convert to fraction form
    249,639.21/344,501.64 = 136,461.96/x
  3. Step 3: Cross multiply
    249,639.21x = 344,501.64 × 136,461.96
  4. Step 4: Simplify right side
    249,639.21x = 47,011,369,017.61
  5. Step 5: Solve for x
    x = 47,011,369,017.61/249,639.21
  6. Step 6: Final answer
    x = 188,317.25

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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.