Home / 315,186.15-434,948.28-171,946.16

Finding the Fourth Proportional to 315,186.15, 434,948.28 and 171,946.16

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Solution

The fourth proportional to 315,186.15, 434,948.28 and 171,946.16 is: 237,281.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,186.15 : 434,948.28 = 171,946.16 : x
  2. Step 2: Convert to fraction form
    315,186.15/434,948.28 = 171,946.16/x
  3. Step 3: Cross multiply
    315,186.15x = 434,948.28 × 171,946.16
  4. Step 4: Simplify right side
    315,186.15x = 74,787,686,323.32
  5. Step 5: Solve for x
    x = 74,787,686,323.32/315,186.15
  6. Step 6: Final answer
    x = 237,281.00

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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.