Finding the Fourth Proportional to 401,929.08, 602,887.47 and 135,876.48
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Solution
The fourth proportional to 401,929.08, 602,887.47 and 135,876.48 is: 203,812.64
Step by Step Solution
- Step 1: Write the proportion equation
401,929.08 : 602,887.47 = 135,876.48 : x - Step 2: Convert to fraction form
401,929.08/602,887.47 = 135,876.48/x - Step 3: Cross multiply
401,929.08x = 602,887.47 × 135,876.48 - Step 4: Simplify right side
401,929.08x = 81,918,227,259.71 - Step 5: Solve for x
x = 81,918,227,259.71/401,929.08 - Step 6: Final answer
x = 203,812.64
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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.