Home / 315,022.17-434,714.80-179,038.15

Finding the Fourth Proportional to 315,022.17, 434,714.80 and 179,038.15

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Solution

The fourth proportional to 315,022.17, 434,714.80 and 179,038.15 is: 247,063.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,022.17 : 434,714.80 = 179,038.15 : x
  2. Step 2: Convert to fraction form
    315,022.17/434,714.80 = 179,038.15/x
  3. Step 3: Cross multiply
    315,022.17x = 434,714.80 × 179,038.15
  4. Step 4: Simplify right side
    315,022.17x = 77,830,533,569.62
  5. Step 5: Solve for x
    x = 77,830,533,569.62/315,022.17
  6. Step 6: Final answer
    x = 247,063.67

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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.