Home / 197,240.80-295,688.40-118,271.20

Finding the Fourth Proportional to 197,240.80, 295,688.40 and 118,271.20

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Solution

The fourth proportional to 197,240.80, 295,688.40 and 118,271.20 is: 177,303.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,240.80 : 295,688.40 = 118,271.20 : x
  2. Step 2: Convert to fraction form
    197,240.80/295,688.40 = 118,271.20/x
  3. Step 3: Cross multiply
    197,240.80x = 295,688.40 × 118,271.20
  4. Step 4: Simplify right side
    197,240.80x = 34,971,421,894.08
  5. Step 5: Solve for x
    x = 34,971,421,894.08/197,240.80
  6. Step 6: Final answer
    x = 177,303.18

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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.