Finding the Fourth Proportional to 316,166.04, 474,249.06 and 129,177.54
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Solution
The fourth proportional to 316,166.04, 474,249.06 and 129,177.54 is: 193,766.31
Step by Step Solution
- Step 1: Write the proportion equation
316,166.04 : 474,249.06 = 129,177.54 : x - Step 2: Convert to fraction form
316,166.04/474,249.06 = 129,177.54/x - Step 3: Cross multiply
316,166.04x = 474,249.06 × 129,177.54 - Step 4: Simplify right side
316,166.04x = 61,262,326,918.11 - Step 5: Solve for x
x = 61,262,326,918.11/316,166.04 - Step 6: Final answer
x = 193,766.31
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1.5x scale
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.