Finding the Fourth Proportional to 474,085.84, 711,129.44 and 193,603.09
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Solution
The fourth proportional to 474,085.84, 711,129.44 and 193,603.09 is: 290,404.91
Step by Step Solution
- Step 1: Write the proportion equation
474,085.84 : 711,129.44 = 193,603.09 : x - Step 2: Convert to fraction form
474,085.84/711,129.44 = 193,603.09/x - Step 3: Cross multiply
474,085.84x = 711,129.44 × 193,603.09 - Step 4: Simplify right side
474,085.84x = 137,676,854,065.23 - Step 5: Solve for x
x = 137,676,854,065.23/474,085.84 - Step 6: Final answer
x = 290,404.91
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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.