Finding the Fourth Proportional to 257,802.44, 355,769.80 and 144,627.62
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Solution
The fourth proportional to 257,802.44, 355,769.80 and 144,627.62 is: 199,587.48
Step by Step Solution
- Step 1: Write the proportion equation
257,802.44 : 355,769.80 = 144,627.62 : x - Step 2: Convert to fraction form
257,802.44/355,769.80 = 144,627.62/x - Step 3: Cross multiply
257,802.44x = 355,769.80 × 144,627.62 - Step 4: Simplify right side
257,802.44x = 51,454,139,441.88 - Step 5: Solve for x
x = 51,454,139,441.88/257,802.44 - Step 6: Final answer
x = 199,587.48
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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.