Finding the Fourth Proportional to 626,926.81, 940,390.23 and 153,608.08
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Solution
The fourth proportional to 626,926.81, 940,390.23 and 153,608.08 is: 230,412.12
Step by Step Solution
- Step 1: Write the proportion equation
626,926.81 : 940,390.23 = 153,608.08 : x - Step 2: Convert to fraction form
626,926.81/940,390.23 = 153,608.08/x - Step 3: Cross multiply
626,926.81x = 940,390.23 × 153,608.08 - Step 4: Simplify right side
626,926.81x = 144,451,537,681.06 - Step 5: Solve for x
x = 144,451,537,681.06/626,926.81 - Step 6: Final answer
x = 230,412.12
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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.