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Finding the Fourth Proportional to 249,075.64, 373,723.08 and 130,718.44

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Solution

The fourth proportional to 249,075.64, 373,723.08 and 130,718.44 is: 196,135.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,075.64 : 373,723.08 = 130,718.44 : x
  2. Step 2: Convert to fraction form
    249,075.64/373,723.08 = 130,718.44/x
  3. Step 3: Cross multiply
    249,075.64x = 373,723.08 × 130,718.44
  4. Step 4: Simplify right side
    249,075.64x = 48,852,498,009.60
  5. Step 5: Solve for x
    x = 48,852,498,009.60/249,075.64
  6. Step 6: Final answer
    x = 196,135.19

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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.