Finding the Fourth Proportional to 339,823.08, 509,796.05 and 140,032.26
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Solution
The fourth proportional to 339,823.08, 509,796.05 and 140,032.26 is: 210,073.70
Step by Step Solution
- Step 1: Write the proportion equation
339,823.08 : 509,796.05 = 140,032.26 : x - Step 2: Convert to fraction form
339,823.08/509,796.05 = 140,032.26/x - Step 3: Cross multiply
339,823.08x = 509,796.05 × 140,032.26 - Step 4: Simplify right side
339,823.08x = 71,387,892,320.41 - Step 5: Solve for x
x = 71,387,892,320.41/339,823.08 - Step 6: Final answer
x = 210,073.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.