Finding the Fourth Proportional to 84,854.48, 127,295.49 and 28,698.02
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Solution
The fourth proportional to 84,854.48, 127,295.49 and 28,698.02 is: 43,051.68
Step by Step Solution
- Step 1: Write the proportion equation
84,854.48 : 127,295.49 = 28,698.02 : x - Step 2: Convert to fraction form
84,854.48/127,295.49 = 28,698.02/x - Step 3: Cross multiply
84,854.48x = 127,295.49 × 28,698.02 - Step 4: Simplify right side
84,854.48x = 3,653,127,881.45 - Step 5: Solve for x
x = 3,653,127,881.45/84,854.48 - Step 6: Final answer
x = 43,051.68
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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.