Finding the Fourth Proportional to 282,848.05, 390,274.45 and 158,673.18
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Solution
The fourth proportional to 282,848.05, 390,274.45 and 158,673.18 is: 218,937.65
Step by Step Solution
- Step 1: Write the proportion equation
282,848.05 : 390,274.45 = 158,673.18 : x - Step 2: Convert to fraction form
282,848.05/390,274.45 = 158,673.18/x - Step 3: Cross multiply
282,848.05x = 390,274.45 × 158,673.18 - Step 4: Simplify right side
282,848.05x = 61,926,087,818.34 - Step 5: Solve for x
x = 61,926,087,818.34/282,848.05 - Step 6: Final answer
x = 218,937.65
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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.