Finding the Fourth Proportional to 152,752.24, 210,813.65 and 84,769.68
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Solution
The fourth proportional to 152,752.24, 210,813.65 and 84,769.68 is: 116,990.79
Step by Step Solution
- Step 1: Write the proportion equation
152,752.24 : 210,813.65 = 84,769.68 : x - Step 2: Convert to fraction form
152,752.24/210,813.65 = 84,769.68/x - Step 3: Cross multiply
152,752.24x = 210,813.65 × 84,769.68 - Step 4: Simplify right side
152,752.24x = 17,870,605,650.13 - Step 5: Solve for x
x = 17,870,605,650.13/152,752.24 - Step 6: Final answer
x = 116,990.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.