Finding the Fourth Proportional to 536,132.68, 740,029.16 and 345,146.06
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Solution
The fourth proportional to 536,132.68, 740,029.16 and 345,146.06 is: 476,408.48
Step by Step Solution
- Step 1: Write the proportion equation
536,132.68 : 740,029.16 = 345,146.06 : x - Step 2: Convert to fraction form
536,132.68/740,029.16 = 345,146.06/x - Step 3: Cross multiply
536,132.68x = 740,029.16 × 345,146.06 - Step 4: Simplify right side
536,132.68x = 255,418,151,572.05 - Step 5: Solve for x
x = 255,418,151,572.05/536,132.68 - Step 6: Final answer
x = 476,408.48
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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.