Home / 370,345.29-555,403.10-133,657.22

Finding the Fourth Proportional to 370,345.29, 555,403.10 and 133,657.22

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Solution

The fourth proportional to 370,345.29, 555,403.10 and 133,657.22 is: 200,444.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,345.29 : 555,403.10 = 133,657.22 : x
  2. Step 2: Convert to fraction form
    370,345.29/555,403.10 = 133,657.22/x
  3. Step 3: Cross multiply
    370,345.29x = 555,403.10 × 133,657.22
  4. Step 4: Simplify right side
    370,345.29x = 74,233,630,880.08
  5. Step 5: Solve for x
    x = 74,233,630,880.08/370,345.29
  6. Step 6: Final answer
    x = 200,444.38

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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.