Finding the Fourth Proportional to 626,343.62, 939,507.26 and 153,033.08
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Solution
The fourth proportional to 626,343.62, 939,507.26 and 153,033.08 is: 229,547.62
Step by Step Solution
- Step 1: Write the proportion equation
626,343.62 : 939,507.26 = 153,033.08 : x - Step 2: Convert to fraction form
626,343.62/939,507.26 = 153,033.08/x - Step 3: Cross multiply
626,343.62x = 939,507.26 × 153,033.08 - Step 4: Simplify right side
626,343.62x = 143,775,684,217.46 - Step 5: Solve for x
x = 143,775,684,217.46/626,343.62 - Step 6: Final answer
x = 229,547.62
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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.