Finding the Fourth Proportional to 282,970.36, 424,409.40 and 83,244.05
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Solution
The fourth proportional to 282,970.36, 424,409.40 and 83,244.05 is: 124,852.50
Step by Step Solution
- Step 1: Write the proportion equation
282,970.36 : 424,409.40 = 83,244.05 : x - Step 2: Convert to fraction form
282,970.36/424,409.40 = 83,244.05/x - Step 3: Cross multiply
282,970.36x = 424,409.40 × 83,244.05 - Step 4: Simplify right side
282,970.36x = 35,329,557,314.07 - Step 5: Solve for x
x = 35,329,557,314.07/282,970.36 - Step 6: Final answer
x = 124,852.50
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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.