Home / 430,056.04-645,095.40-114,513.52

Finding the Fourth Proportional to 430,056.04, 645,095.40 and 114,513.52

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Solution

The fourth proportional to 430,056.04, 645,095.40 and 114,513.52 is: 171,773.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,056.04 : 645,095.40 = 114,513.52 : x
  2. Step 2: Convert to fraction form
    430,056.04/645,095.40 = 114,513.52/x
  3. Step 3: Cross multiply
    430,056.04x = 645,095.40 × 114,513.52
  4. Step 4: Simplify right side
    430,056.04x = 73,872,144,989.81
  5. Step 5: Solve for x
    x = 73,872,144,989.81/430,056.04
  6. Step 6: Final answer
    x = 171,773.30

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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.