Finding the Fourth Proportional to 442,722.16, 663,852.66 and 158,303.08
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Solution
The fourth proportional to 442,722.16, 663,852.66 and 158,303.08 is: 237,372.17
Step by Step Solution
- Step 1: Write the proportion equation
442,722.16 : 663,852.66 = 158,303.08 : x - Step 2: Convert to fraction form
442,722.16/663,852.66 = 158,303.08/x - Step 3: Cross multiply
442,722.16x = 663,852.66 × 158,303.08 - Step 4: Simplify right side
442,722.16x = 105,089,920,744.19 - Step 5: Solve for x
x = 105,089,920,744.19/442,722.16 - Step 6: Final answer
x = 237,372.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.