Home / 310,730.40-466,095.60-257,586.30

Finding the Fourth Proportional to 310,730.40, 466,095.60 and 257,586.30

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Solution

The fourth proportional to 310,730.40, 466,095.60 and 257,586.30 is: 386,379.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,730.40 : 466,095.60 = 257,586.30 : x
  2. Step 2: Convert to fraction form
    310,730.40/466,095.60 = 257,586.30/x
  3. Step 3: Cross multiply
    310,730.40x = 466,095.60 × 257,586.30
  4. Step 4: Simplify right side
    310,730.40x = 120,059,841,050.28
  5. Step 5: Solve for x
    x = 120,059,841,050.28/310,730.40
  6. Step 6: Final answer
    x = 386,379.45

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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.