Finding the Fourth Proportional to 357,887.87, 536,438.14 and 147,410.99
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Solution
The fourth proportional to 357,887.87, 536,438.14 and 147,410.99 is: 220,954.33
Step by Step Solution
- Step 1: Write the proportion equation
357,887.87 : 536,438.14 = 147,410.99 : x - Step 2: Convert to fraction form
357,887.87/536,438.14 = 147,410.99/x - Step 3: Cross multiply
357,887.87x = 536,438.14 × 147,410.99 - Step 4: Simplify right side
357,887.87x = 79,076,873,871.91 - Step 5: Solve for x
x = 79,076,873,871.91/357,887.87 - Step 6: Final answer
x = 220,954.33
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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.