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Finding the Fourth Proportional to 603,225.89, 904,838.06 and 153,946.77

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Solution

The fourth proportional to 603,225.89, 904,838.06 and 153,946.77 is: 230,919.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,225.89 : 904,838.06 = 153,946.77 : x
  2. Step 2: Convert to fraction form
    603,225.89/904,838.06 = 153,946.77/x
  3. Step 3: Cross multiply
    603,225.89x = 904,838.06 × 153,946.77
  4. Step 4: Simplify right side
    603,225.89x = 139,296,892,185.88
  5. Step 5: Solve for x
    x = 139,296,892,185.88/603,225.89
  6. Step 6: Final answer
    x = 230,919.95

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1.5x scale

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.