Finding the Fourth Proportional to 239,971.14, 359,732.34 and 106,779.06
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Solution
The fourth proportional to 239,971.14, 359,732.34 and 106,779.06 is: 160,068.75
Step by Step Solution
- Step 1: Write the proportion equation
239,971.14 : 359,732.34 = 106,779.06 : x - Step 2: Convert to fraction form
239,971.14/359,732.34 = 106,779.06/x - Step 3: Cross multiply
239,971.14x = 359,732.34 × 106,779.06 - Step 4: Simplify right side
239,971.14x = 38,411,881,116.80 - Step 5: Solve for x
x = 38,411,881,116.80/239,971.14 - Step 6: Final answer
x = 160,068.75
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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.