Finding the Fourth Proportional to 477,993.24, 717,013.68 and 136,487.32
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Solution
The fourth proportional to 477,993.24, 717,013.68 and 136,487.32 is: 204,737.77
Step by Step Solution
- Step 1: Write the proportion equation
477,993.24 : 717,013.68 = 136,487.32 : x - Step 2: Convert to fraction form
477,993.24/717,013.68 = 136,487.32/x - Step 3: Cross multiply
477,993.24x = 717,013.68 × 136,487.32 - Step 4: Simplify right side
477,993.24x = 97,863,271,319.03 - Step 5: Solve for x
x = 97,863,271,319.03/477,993.24 - Step 6: Final answer
x = 204,737.77
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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.