Home / 249,210.81-343,900.35-147,269.34

Finding the Fourth Proportional to 249,210.81, 343,900.35 and 147,269.34

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Solution

The fourth proportional to 249,210.81, 343,900.35 and 147,269.34 is: 203,225.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,210.81 : 343,900.35 = 147,269.34 : x
  2. Step 2: Convert to fraction form
    249,210.81/343,900.35 = 147,269.34/x
  3. Step 3: Cross multiply
    249,210.81x = 343,900.35 × 147,269.34
  4. Step 4: Simplify right side
    249,210.81x = 50,645,977,570.27
  5. Step 5: Solve for x
    x = 50,645,977,570.27/249,210.81
  6. Step 6: Final answer
    x = 203,225.44

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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.