Finding the Fourth Proportional to 493,394.21, 680,900.52 and 302,370.71
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Solution
The fourth proportional to 493,394.21, 680,900.52 and 302,370.71 is: 417,281.70
Step by Step Solution
- Step 1: Write the proportion equation
493,394.21 : 680,900.52 = 302,370.71 : x - Step 2: Convert to fraction form
493,394.21/680,900.52 = 302,370.71/x - Step 3: Cross multiply
493,394.21x = 680,900.52 × 302,370.71 - Step 4: Simplify right side
493,394.21x = 205,884,373,671.77 - Step 5: Solve for x
x = 205,884,373,671.77/493,394.21 - Step 6: Final answer
x = 417,281.70
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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.