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Finding the Fourth Proportional to 380,570.00, 525,180.58 and 208,486.51

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Solution

The fourth proportional to 380,570.00, 525,180.58 and 208,486.51 is: 287,708.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,570.00 : 525,180.58 = 208,486.51 : x
  2. Step 2: Convert to fraction form
    380,570.00/525,180.58 = 208,486.51/x
  3. Step 3: Cross multiply
    380,570.00x = 525,180.58 × 208,486.51
  4. Step 4: Simplify right side
    380,570.00x = 109,493,064,409.81
  5. Step 5: Solve for x
    x = 109,493,064,409.81/380,570.00
  6. Step 6: Final answer
    x = 287,708.08

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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.