Finding the Fourth Proportional to 282,938.78, 424,318.14 and 93,363.80
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Solution
The fourth proportional to 282,938.78, 424,318.14 and 93,363.80 is: 140,015.99
Step by Step Solution
- Step 1: Write the proportion equation
282,938.78 : 424,318.14 = 93,363.80 : x - Step 2: Convert to fraction form
282,938.78/424,318.14 = 93,363.80/x - Step 3: Cross multiply
282,938.78x = 424,318.14 × 93,363.80 - Step 4: Simplify right side
282,938.78x = 39,615,953,959.33 - Step 5: Solve for x
x = 39,615,953,959.33/282,938.78 - Step 6: Final answer
x = 140,015.99
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1.5x scale
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.