Finding the Fourth Proportional to 147,777.70, 221,354.55 and 97,881.70
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Solution
The fourth proportional to 147,777.70, 221,354.55 and 97,881.70 is: 146,615.89
Step by Step Solution
- Step 1: Write the proportion equation
147,777.70 : 221,354.55 = 97,881.70 : x - Step 2: Convert to fraction form
147,777.70/221,354.55 = 97,881.70/x - Step 3: Cross multiply
147,777.70x = 221,354.55 × 97,881.70 - Step 4: Simplify right side
147,777.70x = 21,666,559,656.74 - Step 5: Solve for x
x = 21,666,559,656.74/147,777.70 - Step 6: Final answer
x = 146,615.89
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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.