Finding the Fourth Proportional to 359,529.81, 539,368.52 and 106,787.79
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Solution
The fourth proportional to 359,529.81, 539,368.52 and 106,787.79 is: 160,203.61
Step by Step Solution
- Step 1: Write the proportion equation
359,529.81 : 539,368.52 = 106,787.79 : x - Step 2: Convert to fraction form
359,529.81/539,368.52 = 106,787.79/x - Step 3: Cross multiply
359,529.81x = 539,368.52 × 106,787.79 - Step 4: Simplify right side
359,529.81x = 57,597,973,830.09 - Step 5: Solve for x
x = 57,597,973,830.09/359,529.81 - Step 6: Final answer
x = 160,203.61
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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.