Home / 319,075.20-478,526.40-94,435.20

Finding the Fourth Proportional to 319,075.20, 478,526.40 and 94,435.20

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Solution

The fourth proportional to 319,075.20, 478,526.40 and 94,435.20 is: 141,627.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,075.20 : 478,526.40 = 94,435.20 : x
  2. Step 2: Convert to fraction form
    319,075.20/478,526.40 = 94,435.20/x
  3. Step 3: Cross multiply
    319,075.20x = 478,526.40 × 94,435.20
  4. Step 4: Simplify right side
    319,075.20x = 45,189,736,289.28
  5. Step 5: Solve for x
    x = 45,189,736,289.28/319,075.20
  6. Step 6: Final answer
    x = 141,627.23

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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.