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Finding the Fourth Proportional to 510,752.63, 765,862.93 and 190,641.26

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Solution

The fourth proportional to 510,752.63, 765,862.93 and 190,641.26 is: 285,862.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,752.63 : 765,862.93 = 190,641.26 : x
  2. Step 2: Convert to fraction form
    510,752.63/765,862.93 = 190,641.26/x
  3. Step 3: Cross multiply
    510,752.63x = 765,862.93 × 190,641.26
  4. Step 4: Simplify right side
    510,752.63x = 146,005,075,400.55
  5. Step 5: Solve for x
    x = 146,005,075,400.55/510,752.63
  6. Step 6: Final answer
    x = 285,862.60

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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.