Finding the Fourth Proportional to 155,312.27, 232,929.91 and 66,555.71
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Solution
The fourth proportional to 155,312.27, 232,929.91 and 66,555.71 is: 99,817.07
Step by Step Solution
- Step 1: Write the proportion equation
155,312.27 : 232,929.91 = 66,555.71 : x - Step 2: Convert to fraction form
155,312.27/232,929.91 = 66,555.71/x - Step 3: Cross multiply
155,312.27x = 232,929.91 × 66,555.71 - Step 4: Simplify right side
155,312.27x = 15,502,815,540.29 - Step 5: Solve for x
x = 15,502,815,540.29/155,312.27 - Step 6: Final answer
x = 99,817.07
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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.