Finding the Fourth Proportional to 357,511.14, 536,266.20 and 91,271.70
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Solution
The fourth proportional to 357,511.14, 536,266.20 and 91,271.70 is: 136,907.42
Step by Step Solution
- Step 1: Write the proportion equation
357,511.14 : 536,266.20 = 91,271.70 : x - Step 2: Convert to fraction form
357,511.14/536,266.20 = 91,271.70/x - Step 3: Cross multiply
357,511.14x = 536,266.20 × 91,271.70 - Step 4: Simplify right side
357,511.14x = 48,945,927,726.54 - Step 5: Solve for x
x = 48,945,927,726.54/357,511.14 - Step 6: Final answer
x = 136,907.42
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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.