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Finding the Fourth Proportional to 480,038.31, 662,428.50 and 265,136.85

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Solution

The fourth proportional to 480,038.31, 662,428.50 and 265,136.85 is: 365,875.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,038.31 : 662,428.50 = 265,136.85 : x
  2. Step 2: Convert to fraction form
    480,038.31/662,428.50 = 265,136.85/x
  3. Step 3: Cross multiply
    480,038.31x = 662,428.50 × 265,136.85
  4. Step 4: Simplify right side
    480,038.31x = 175,634,205,840.23
  5. Step 5: Solve for x
    x = 175,634,205,840.23/480,038.31
  6. Step 6: Final answer
    x = 365,875.39

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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.