Finding the Fourth Proportional to 282,771.06, 390,228.93 and 155,452.02
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Solution
The fourth proportional to 282,771.06, 390,228.93 and 155,452.02 is: 214,526.46
Step by Step Solution
- Step 1: Write the proportion equation
282,771.06 : 390,228.93 = 155,452.02 : x - Step 2: Convert to fraction form
282,771.06/390,228.93 = 155,452.02/x - Step 3: Cross multiply
282,771.06x = 390,228.93 × 155,452.02 - Step 4: Simplify right side
282,771.06x = 60,661,875,430.94 - Step 5: Solve for x
x = 60,661,875,430.94/282,771.06 - Step 6: Final answer
x = 214,526.46
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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.