Finding the Fourth Proportional to 605,125.80, 906,306.30 and 356,293.80
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Solution
The fourth proportional to 605,125.80, 906,306.30 and 356,293.80 is: 533,626.75
Step by Step Solution
- Step 1: Write the proportion equation
605,125.80 : 906,306.30 = 356,293.80 : x - Step 2: Convert to fraction form
605,125.80/906,306.30 = 356,293.80/x - Step 3: Cross multiply
605,125.80x = 906,306.30 × 356,293.80 - Step 4: Simplify right side
605,125.80x = 322,911,315,590.94 - Step 5: Solve for x
x = 322,911,315,590.94/605,125.80 - Step 6: Final answer
x = 533,626.75
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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.