Finding the Fourth Proportional to 342,316.24, 513,163.32 and 155,225.68
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Solution
The fourth proportional to 342,316.24, 513,163.32 and 155,225.68 is: 232,697.48
Step by Step Solution
- Step 1: Write the proportion equation
342,316.24 : 513,163.32 = 155,225.68 : x - Step 2: Convert to fraction form
342,316.24/513,163.32 = 155,225.68/x - Step 3: Cross multiply
342,316.24x = 513,163.32 × 155,225.68 - Step 4: Simplify right side
342,316.24x = 79,656,125,298.06 - Step 5: Solve for x
x = 79,656,125,298.06/342,316.24 - Step 6: Final answer
x = 232,697.48
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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.