Finding the Fourth Proportional to 409,779.41, 614,318.51 and 157,241.12
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Solution
The fourth proportional to 409,779.41, 614,318.51 and 157,241.12 is: 235,727.15
Step by Step Solution
- Step 1: Write the proportion equation
409,779.41 : 614,318.51 = 157,241.12 : x - Step 2: Convert to fraction form
409,779.41/614,318.51 = 157,241.12/x - Step 3: Cross multiply
409,779.41x = 614,318.51 × 157,241.12 - Step 4: Simplify right side
409,779.41x = 96,596,130,549.13 - Step 5: Solve for x
x = 96,596,130,549.13/409,779.41 - Step 6: Final answer
x = 235,727.15
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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.