Finding the Fourth Proportional to 245,970.36, 368,679.06 and 121,398.84
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Solution
The fourth proportional to 245,970.36, 368,679.06 and 121,398.84 is: 181,961.80
Step by Step Solution
- Step 1: Write the proportion equation
245,970.36 : 368,679.06 = 121,398.84 : x - Step 2: Convert to fraction form
245,970.36/368,679.06 = 121,398.84/x - Step 3: Cross multiply
245,970.36x = 368,679.06 × 121,398.84 - Step 4: Simplify right side
245,970.36x = 44,757,210,216.29 - Step 5: Solve for x
x = 44,757,210,216.29/245,970.36 - Step 6: Final answer
x = 181,961.80
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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.