Finding the Fourth Proportional to 368,405.12, 552,607.72 and 102,165.68
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Solution
The fourth proportional to 368,405.12, 552,607.72 and 102,165.68 is: 153,248.53
Step by Step Solution
- Step 1: Write the proportion equation
368,405.12 : 552,607.72 = 102,165.68 : x - Step 2: Convert to fraction form
368,405.12/552,607.72 = 102,165.68/x - Step 3: Cross multiply
368,405.12x = 552,607.72 × 102,165.68 - Step 4: Simplify right side
368,405.12x = 56,457,543,487.05 - Step 5: Solve for x
x = 56,457,543,487.05/368,405.12 - Step 6: Final answer
x = 153,248.53
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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.