Finding the Fourth Proportional to 147,041.40, 220,124.70 and 97,177.80
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Solution
The fourth proportional to 147,041.40, 220,124.70 and 97,177.80 is: 145,477.63
Step by Step Solution
- Step 1: Write the proportion equation
147,041.40 : 220,124.70 = 97,177.80 : x - Step 2: Convert to fraction form
147,041.40/220,124.70 = 97,177.80/x - Step 3: Cross multiply
147,041.40x = 220,124.70 × 97,177.80 - Step 4: Simplify right side
147,041.40x = 21,391,234,071.66 - Step 5: Solve for x
x = 21,391,234,071.66/147,041.40 - Step 6: Final answer
x = 145,477.63
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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.