Finding the Fourth Proportional to 97,873.80, 146,810.70 and 70,225.80
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Solution
The fourth proportional to 97,873.80, 146,810.70 and 70,225.80 is: 105,338.70
Step by Step Solution
- Step 1: Write the proportion equation
97,873.80 : 146,810.70 = 70,225.80 : x - Step 2: Convert to fraction form
97,873.80/146,810.70 = 70,225.80/x - Step 3: Cross multiply
97,873.80x = 146,810.70 × 70,225.80 - Step 4: Simplify right side
97,873.80x = 10,309,898,856.06 - Step 5: Solve for x
x = 10,309,898,856.06/97,873.80 - Step 6: Final answer
x = 105,338.70
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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.