Finding the Fourth Proportional to 282,954.06, 390,483.99 and 155,633.00
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Solution
The fourth proportional to 282,954.06, 390,483.99 and 155,633.00 is: 214,777.60
Step by Step Solution
- Step 1: Write the proportion equation
282,954.06 : 390,483.99 = 155,633.00 : x - Step 2: Convert to fraction form
282,954.06/390,483.99 = 155,633.00/x - Step 3: Cross multiply
282,954.06x = 390,483.99 × 155,633.00 - Step 4: Simplify right side
282,954.06x = 60,772,192,863.25 - Step 5: Solve for x
x = 60,772,192,863.25/282,954.06 - Step 6: Final answer
x = 214,777.60
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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.