Home / 356,075.30-534,415.35-145,864.10

Finding the Fourth Proportional to 356,075.30, 534,415.35 and 145,864.10

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Solution

The fourth proportional to 356,075.30, 534,415.35 and 145,864.10 is: 218,920.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,075.30 : 534,415.35 = 145,864.10 : x
  2. Step 2: Convert to fraction form
    356,075.30/534,415.35 = 145,864.10/x
  3. Step 3: Cross multiply
    356,075.30x = 534,415.35 × 145,864.10
  4. Step 4: Simplify right side
    356,075.30x = 77,952,014,053.94
  5. Step 5: Solve for x
    x = 77,952,014,053.94/356,075.30
  6. Step 6: Final answer
    x = 218,920.03

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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.