Home / 319,232.20-478,848.30-292,275.40

Finding the Fourth Proportional to 319,232.20, 478,848.30 and 292,275.40

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Solution

The fourth proportional to 319,232.20, 478,848.30 and 292,275.40 is: 438,413.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,232.20 : 478,848.30 = 292,275.40 : x
  2. Step 2: Convert to fraction form
    319,232.20/478,848.30 = 292,275.40/x
  3. Step 3: Cross multiply
    319,232.20x = 478,848.30 × 292,275.40
  4. Step 4: Simplify right side
    319,232.20x = 139,955,578,421.82
  5. Step 5: Solve for x
    x = 139,955,578,421.82/319,232.20
  6. Step 6: Final answer
    x = 438,413.10

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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.