Finding the Fourth Proportional to 191,015.73, 286,345.45 and 64,567.99
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Solution
The fourth proportional to 191,015.73, 286,345.45 and 64,567.99 is: 96,791.77
Step by Step Solution
- Step 1: Write the proportion equation
191,015.73 : 286,345.45 = 64,567.99 : x - Step 2: Convert to fraction form
191,015.73/286,345.45 = 64,567.99/x - Step 3: Cross multiply
191,015.73x = 286,345.45 × 64,567.99 - Step 4: Simplify right side
191,015.73x = 18,488,749,829.31 - Step 5: Solve for x
x = 18,488,749,829.31/191,015.73 - Step 6: Final answer
x = 96,791.77
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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.