Finding the Fourth Proportional to 154,829.19, 232,201.63 and 42,482.78
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Solution
The fourth proportional to 154,829.19, 232,201.63 and 42,482.78 is: 63,712.60
Step by Step Solution
- Step 1: Write the proportion equation
154,829.19 : 232,201.63 = 42,482.78 : x - Step 2: Convert to fraction form
154,829.19/232,201.63 = 42,482.78/x - Step 3: Cross multiply
154,829.19x = 232,201.63 × 42,482.78 - Step 4: Simplify right side
154,829.19x = 9,864,569,708.13 - Step 5: Solve for x
x = 9,864,569,708.13/154,829.19 - Step 6: Final answer
x = 63,712.60
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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.