Home / 219,022.40-328,533.60-94,363.40

Finding the Fourth Proportional to 219,022.40, 328,533.60 and 94,363.40

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Solution

The fourth proportional to 219,022.40, 328,533.60 and 94,363.40 is: 141,545.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,022.40 : 328,533.60 = 94,363.40 : x
  2. Step 2: Convert to fraction form
    219,022.40/328,533.60 = 94,363.40/x
  3. Step 3: Cross multiply
    219,022.40x = 328,533.60 × 94,363.40
  4. Step 4: Simplify right side
    219,022.40x = 31,001,547,510.24
  5. Step 5: Solve for x
    x = 31,001,547,510.24/219,022.40
  6. Step 6: Final answer
    x = 141,545.10

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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.