Home / 315,267.07-434,954.87-242,692.16

Finding the Fourth Proportional to 315,267.07, 434,954.87 and 242,692.16

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Solution

The fourth proportional to 315,267.07, 434,954.87 and 242,692.16 is: 334,827.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,267.07 : 434,954.87 = 242,692.16 : x
  2. Step 2: Convert to fraction form
    315,267.07/434,954.87 = 242,692.16/x
  3. Step 3: Cross multiply
    315,267.07x = 434,954.87 × 242,692.16
  4. Step 4: Simplify right side
    315,267.07x = 105,560,137,206.18
  5. Step 5: Solve for x
    x = 105,560,137,206.18/315,267.07
  6. Step 6: Final answer
    x = 334,827.66

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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.