Finding the Fourth Proportional to 395,305.74, 592,985.04 and 139,107.81
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Solution
The fourth proportional to 395,305.74, 592,985.04 and 139,107.81 is: 208,671.02
Step by Step Solution
- Step 1: Write the proportion equation
395,305.74 : 592,985.04 = 139,107.81 : x - Step 2: Convert to fraction form
395,305.74/592,985.04 = 139,107.81/x - Step 3: Cross multiply
395,305.74x = 592,985.04 × 139,107.81 - Step 4: Simplify right side
395,305.74x = 82,488,850,277.16 - Step 5: Solve for x
x = 82,488,850,277.16/395,305.74 - Step 6: Final answer
x = 208,671.02
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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.