Finding the Fourth Proportional to 387,298.84, 580,699.62 and 150,389.08
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Solution
The fourth proportional to 387,298.84, 580,699.62 and 150,389.08 is: 225,487.07
Step by Step Solution
- Step 1: Write the proportion equation
387,298.84 : 580,699.62 = 150,389.08 : x - Step 2: Convert to fraction form
387,298.84/580,699.62 = 150,389.08/x - Step 3: Cross multiply
387,298.84x = 580,699.62 × 150,389.08 - Step 4: Simplify right side
387,298.84x = 87,330,881,608.15 - Step 5: Solve for x
x = 87,330,881,608.15/387,298.84 - Step 6: Final answer
x = 225,487.07
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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.