Finding the Fourth Proportional to 148,259.67, 204,590.23 and 86,997.65
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Solution
The fourth proportional to 148,259.67, 204,590.23 and 86,997.65 is: 120,051.99
Step by Step Solution
- Step 1: Write the proportion equation
148,259.67 : 204,590.23 = 86,997.65 : x - Step 2: Convert to fraction form
148,259.67/204,590.23 = 86,997.65/x - Step 3: Cross multiply
148,259.67x = 204,590.23 × 86,997.65 - Step 4: Simplify right side
148,259.67x = 17,798,868,227.20 - Step 5: Solve for x
x = 17,798,868,227.20/148,259.67 - Step 6: Final answer
x = 120,051.99
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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.