Finding the Fourth Proportional to 520,355.14, 780,584.58 and 141,281.96
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Solution
The fourth proportional to 520,355.14, 780,584.58 and 141,281.96 is: 211,937.02
Step by Step Solution
- Step 1: Write the proportion equation
520,355.14 : 780,584.58 = 141,281.96 : x - Step 2: Convert to fraction form
520,355.14/780,584.58 = 141,281.96/x - Step 3: Cross multiply
520,355.14x = 780,584.58 × 141,281.96 - Step 4: Simplify right side
520,355.14x = 110,282,515,505.25 - Step 5: Solve for x
x = 110,282,515,505.25/520,355.14 - Step 6: Final answer
x = 211,937.02
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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.