Home / 228,935.40-315,566.74-180,458.72

Finding the Fourth Proportional to 228,935.40, 315,566.74 and 180,458.72

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Solution

The fourth proportional to 228,935.40, 315,566.74 and 180,458.72 is: 248,746.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,935.40 : 315,566.74 = 180,458.72 : x
  2. Step 2: Convert to fraction form
    228,935.40/315,566.74 = 180,458.72/x
  3. Step 3: Cross multiply
    228,935.40x = 315,566.74 × 180,458.72
  4. Step 4: Simplify right side
    228,935.40x = 56,946,770,312.74
  5. Step 5: Solve for x
    x = 56,946,770,312.74/228,935.40
  6. Step 6: Final answer
    x = 248,746.02

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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.