Finding the Fourth Proportional to 219,484.81, 302,888.00 and 122,688.65
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Solution
The fourth proportional to 219,484.81, 302,888.00 and 122,688.65 is: 169,309.75
Step by Step Solution
- Step 1: Write the proportion equation
219,484.81 : 302,888.00 = 122,688.65 : x - Step 2: Convert to fraction form
219,484.81/302,888.00 = 122,688.65/x - Step 3: Cross multiply
219,484.81x = 302,888.00 × 122,688.65 - Step 4: Simplify right side
219,484.81x = 37,160,919,170.61 - Step 5: Solve for x
x = 37,160,919,170.61/219,484.81 - Step 6: Final answer
x = 169,309.75
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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.