Finding the Fourth Proportional to 368,374.55, 552,561.84 and 102,135.07
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Solution
The fourth proportional to 368,374.55, 552,561.84 and 102,135.07 is: 153,202.60
Step by Step Solution
- Step 1: Write the proportion equation
368,374.55 : 552,561.84 = 102,135.07 : x - Step 2: Convert to fraction form
368,374.55/552,561.84 = 102,135.07/x - Step 3: Cross multiply
368,374.55x = 552,561.84 × 102,135.07 - Step 4: Simplify right side
368,374.55x = 56,435,939,444.92 - Step 5: Solve for x
x = 56,435,939,444.92/368,374.55 - Step 6: Final answer
x = 153,202.60
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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.