Finding the Fourth Proportional to 610,146.09, 842,023.44 and 368,381.70
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Solution
The fourth proportional to 610,146.09, 842,023.44 and 368,381.70 is: 508,379.93
Step by Step Solution
- Step 1: Write the proportion equation
610,146.09 : 842,023.44 = 368,381.70 : x - Step 2: Convert to fraction form
610,146.09/842,023.44 = 368,381.70/x - Step 3: Cross multiply
610,146.09x = 842,023.44 × 368,381.70 - Step 4: Simplify right side
610,146.09x = 310,186,026,267.05 - Step 5: Solve for x
x = 310,186,026,267.05/610,146.09 - Step 6: Final answer
x = 508,379.93
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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.