Home / 402,075.02-554,483.21-264,010.45

Finding the Fourth Proportional to 402,075.02, 554,483.21 and 264,010.45

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Solution

The fourth proportional to 402,075.02, 554,483.21 and 264,010.45 is: 364,084.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,075.02 : 554,483.21 = 264,010.45 : x
  2. Step 2: Convert to fraction form
    402,075.02/554,483.21 = 264,010.45/x
  3. Step 3: Cross multiply
    402,075.02x = 554,483.21 × 264,010.45
  4. Step 4: Simplify right side
    402,075.02x = 146,389,363,770.90
  5. Step 5: Solve for x
    x = 146,389,363,770.90/402,075.02
  6. Step 6: Final answer
    x = 364,084.70

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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.