Finding the Fourth Proportional to 615,408.36, 849,306.24 and 343,529.70
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Solution
The fourth proportional to 615,408.36, 849,306.24 and 343,529.70 is: 474,094.82
Step by Step Solution
- Step 1: Write the proportion equation
615,408.36 : 849,306.24 = 343,529.70 : x - Step 2: Convert to fraction form
615,408.36/849,306.24 = 343,529.70/x - Step 3: Cross multiply
615,408.36x = 849,306.24 × 343,529.70 - Step 4: Simplify right side
615,408.36x = 291,761,917,835.33 - Step 5: Solve for x
x = 291,761,917,835.33/615,408.36 - Step 6: Final answer
x = 474,094.82
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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.