Finding the Fourth Proportional to 221,971.60, 332,957.40 and 97,312.60
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Solution
The fourth proportional to 221,971.60, 332,957.40 and 97,312.60 is: 145,968.90
Step by Step Solution
- Step 1: Write the proportion equation
221,971.60 : 332,957.40 = 97,312.60 : x - Step 2: Convert to fraction form
221,971.60/332,957.40 = 97,312.60/x - Step 3: Cross multiply
221,971.60x = 332,957.40 × 97,312.60 - Step 4: Simplify right side
221,971.60x = 32,400,950,283.24 - Step 5: Solve for x
x = 32,400,950,283.24/221,971.60 - Step 6: Final answer
x = 145,968.90
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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.