Home / 454,312.35-681,413.85-188,045.10

Finding the Fourth Proportional to 454,312.35, 681,413.85 and 188,045.10

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Solution

The fourth proportional to 454,312.35, 681,413.85 and 188,045.10 is: 282,045.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,312.35 : 681,413.85 = 188,045.10 : x
  2. Step 2: Convert to fraction form
    454,312.35/681,413.85 = 188,045.10/x
  3. Step 3: Cross multiply
    454,312.35x = 681,413.85 × 188,045.10
  4. Step 4: Simplify right side
    454,312.35x = 128,136,535,564.64
  5. Step 5: Solve for x
    x = 128,136,535,564.64/454,312.35
  6. Step 6: Final answer
    x = 282,045.02

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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.