Finding the Fourth Proportional to 282,788.08, 390,247.80 and 155,465.84
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Solution
The fourth proportional to 282,788.08, 390,247.80 and 155,465.84 is: 214,543.00
Step by Step Solution
- Step 1: Write the proportion equation
282,788.08 : 390,247.80 = 155,465.84 : x - Step 2: Convert to fraction form
282,788.08/390,247.80 = 155,465.84/x - Step 3: Cross multiply
282,788.08x = 390,247.80 × 155,465.84 - Step 4: Simplify right side
282,788.08x = 60,670,202,035.15 - Step 5: Solve for x
x = 60,670,202,035.15/282,788.08 - Step 6: Final answer
x = 214,543.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.