Finding the Fourth Proportional to 286,506.84, 429,764.58 and 108,928.92
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Solution
The fourth proportional to 286,506.84, 429,764.58 and 108,928.92 is: 163,395.02
Step by Step Solution
- Step 1: Write the proportion equation
286,506.84 : 429,764.58 = 108,928.92 : x - Step 2: Convert to fraction form
286,506.84/429,764.58 = 108,928.92/x - Step 3: Cross multiply
286,506.84x = 429,764.58 × 108,928.92 - Step 4: Simplify right side
286,506.84x = 46,813,791,553.65 - Step 5: Solve for x
x = 46,813,791,553.65/286,506.84 - Step 6: Final answer
x = 163,395.02
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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.