Finding the Fourth Proportional to 221,089.88, 304,378.08 and 185,223.08
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Solution
The fourth proportional to 221,089.88, 304,378.08 and 185,223.08 is: 254,999.67
Step by Step Solution
- Step 1: Write the proportion equation
221,089.88 : 304,378.08 = 185,223.08 : x - Step 2: Convert to fraction form
221,089.88/304,378.08 = 185,223.08/x - Step 3: Cross multiply
221,089.88x = 304,378.08 × 185,223.08 - Step 4: Simplify right side
221,089.88x = 56,377,845,462.09 - Step 5: Solve for x
x = 56,377,845,462.09/221,089.88 - Step 6: Final answer
x = 254,999.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.