Finding the Fourth Proportional to 405,981.99, 560,256.35 and 224,706.51
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Solution
The fourth proportional to 405,981.99, 560,256.35 and 224,706.51 is: 310,095.65
Step by Step Solution
- Step 1: Write the proportion equation
405,981.99 : 560,256.35 = 224,706.51 : x - Step 2: Convert to fraction form
405,981.99/560,256.35 = 224,706.51/x - Step 3: Cross multiply
405,981.99x = 560,256.35 × 224,706.51 - Step 4: Simplify right side
405,981.99x = 125,893,247,990.31 - Step 5: Solve for x
x = 125,893,247,990.31/405,981.99 - Step 6: Final answer
x = 310,095.65
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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.