Finding the Fourth Proportional to 164,036.98, 245,967.99 and 84,955.06
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Solution
The fourth proportional to 164,036.98, 245,967.99 and 84,955.06 is: 127,387.28
Step by Step Solution
- Step 1: Write the proportion equation
164,036.98 : 245,967.99 = 84,955.06 : x - Step 2: Convert to fraction form
164,036.98/245,967.99 = 84,955.06/x - Step 3: Cross multiply
164,036.98x = 245,967.99 × 84,955.06 - Step 4: Simplify right side
164,036.98x = 20,896,225,348.53 - Step 5: Solve for x
x = 20,896,225,348.53/164,036.98 - Step 6: Final answer
x = 127,387.28
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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.