Home / 418,110.84-577,077-248,312.16

Finding the Fourth Proportional to 418,110.84, 577,077 and 248,312.16

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Solution

The fourth proportional to 418,110.84, 577,077 and 248,312.16 is: 342,720.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,110.84 : 577,077 = 248,312.16 : x
  2. Step 2: Convert to fraction form
    418,110.84/577,077 = 248,312.16/x
  3. Step 3: Cross multiply
    418,110.84x = 577,077 × 248,312.16
  4. Step 4: Simplify right side
    418,110.84x = 143,295,236,356.32
  5. Step 5: Solve for x
    x = 143,295,236,356.32/418,110.84
  6. Step 6: Final answer
    x = 342,720.69

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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.