Finding the Fourth Proportional to 153,246.68, 229,675.35 and 68,916.77
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Solution
The fourth proportional to 153,246.68, 229,675.35 and 68,916.77 is: 103,287.61
Step by Step Solution
- Step 1: Write the proportion equation
153,246.68 : 229,675.35 = 68,916.77 : x - Step 2: Convert to fraction form
153,246.68/229,675.35 = 68,916.77/x - Step 3: Cross multiply
153,246.68x = 229,675.35 × 68,916.77 - Step 4: Simplify right side
153,246.68x = 15,828,483,270.62 - Step 5: Solve for x
x = 15,828,483,270.62/153,246.68 - Step 6: Final answer
x = 103,287.61
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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.