Finding the Fourth Proportional to 245,886.90, 368,703.44 and 112,652.97
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Solution
The fourth proportional to 245,886.90, 368,703.44 and 112,652.97 is: 168,921.31
Step by Step Solution
- Step 1: Write the proportion equation
245,886.90 : 368,703.44 = 112,652.97 : x - Step 2: Convert to fraction form
245,886.90/368,703.44 = 112,652.97/x - Step 3: Cross multiply
245,886.90x = 368,703.44 × 112,652.97 - Step 4: Simplify right side
245,886.90x = 41,535,537,565.22 - Step 5: Solve for x
x = 41,535,537,565.22/245,886.90 - Step 6: Final answer
x = 168,921.31
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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.