Finding the Fourth Proportional to 97,968.80, 147,068.40 and 97,277.60
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Solution
The fourth proportional to 97,968.80, 147,068.40 and 97,277.60 is: 146,030.79
Step by Step Solution
- Step 1: Write the proportion equation
97,968.80 : 147,068.40 = 97,277.60 : x - Step 2: Convert to fraction form
97,968.80/147,068.40 = 97,277.60/x - Step 3: Cross multiply
97,968.80x = 147,068.40 × 97,277.60 - Step 4: Simplify right side
97,968.80x = 14,306,460,987.84 - Step 5: Solve for x
x = 14,306,460,987.84/97,968.80 - Step 6: Final answer
x = 146,030.79
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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.