Finding the Fourth Proportional to 368,256.08, 552,455.40 and 143,607.44
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Solution
The fourth proportional to 368,256.08, 552,455.40 and 143,607.44 is: 215,438.96
Step by Step Solution
- Step 1: Write the proportion equation
368,256.08 : 552,455.40 = 143,607.44 : x - Step 2: Convert to fraction form
368,256.08/552,455.40 = 143,607.44/x - Step 3: Cross multiply
368,256.08x = 552,455.40 × 143,607.44 - Step 4: Simplify right side
368,256.08x = 79,336,705,708.18 - Step 5: Solve for x
x = 79,336,705,708.18/368,256.08 - Step 6: Final answer
x = 215,438.96
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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.