Finding the Fourth Proportional to 163,830.58, 245,778.68 and 51,539.06
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Solution
The fourth proportional to 163,830.58, 245,778.68 and 51,539.06 is: 77,318.92
Step by Step Solution
- Step 1: Write the proportion equation
163,830.58 : 245,778.68 = 51,539.06 : x - Step 2: Convert to fraction form
163,830.58/245,778.68 = 51,539.06/x - Step 3: Cross multiply
163,830.58x = 245,778.68 × 51,539.06 - Step 4: Simplify right side
163,830.58x = 12,667,202,878.54 - Step 5: Solve for x
x = 12,667,202,878.54/163,830.58 - Step 6: Final answer
x = 77,318.92
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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.