Finding the Fourth Proportional to 640,921.77, 961,381.44 and 241,652.12
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Solution
The fourth proportional to 640,921.77, 961,381.44 and 241,652.12 is: 362,477.71
Step by Step Solution
- Step 1: Write the proportion equation
640,921.77 : 961,381.44 = 241,652.12 : x - Step 2: Convert to fraction form
640,921.77/961,381.44 = 241,652.12/x - Step 3: Cross multiply
640,921.77x = 961,381.44 × 241,652.12 - Step 4: Simplify right side
640,921.77x = 232,319,858,297.75 - Step 5: Solve for x
x = 232,319,858,297.75/640,921.77 - Step 6: Final answer
x = 362,477.71
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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.