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Finding the Fourth Proportional to 360,050.40, 540,075.60 and 290,066.40

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Solution

The fourth proportional to 360,050.40, 540,075.60 and 290,066.40 is: 435,099.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,050.40 : 540,075.60 = 290,066.40 : x
  2. Step 2: Convert to fraction form
    360,050.40/540,075.60 = 290,066.40/x
  3. Step 3: Cross multiply
    360,050.40x = 540,075.60 × 290,066.40
  4. Step 4: Simplify right side
    360,050.40x = 156,657,785,019.84
  5. Step 5: Solve for x
    x = 156,657,785,019.84/360,050.40
  6. Step 6: Final answer
    x = 435,099.60

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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.