Finding the Fourth Proportional to 611,132.65, 843,347.30 and 339,192.56
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Solution
The fourth proportional to 611,132.65, 843,347.30 and 339,192.56 is: 468,076.99
Step by Step Solution
- Step 1: Write the proportion equation
611,132.65 : 843,347.30 = 339,192.56 : x - Step 2: Convert to fraction form
611,132.65/843,347.30 = 339,192.56/x - Step 3: Cross multiply
611,132.65x = 843,347.30 × 339,192.56 - Step 4: Simplify right side
611,132.65x = 286,057,130,068.49 - Step 5: Solve for x
x = 286,057,130,068.49/611,132.65 - Step 6: Final answer
x = 468,076.99
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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.