Finding the Fourth Proportional to 485,695.12, 670,262.21 and 270,848.80
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Solution
The fourth proportional to 485,695.12, 670,262.21 and 270,848.80 is: 373,772.99
Step by Step Solution
- Step 1: Write the proportion equation
485,695.12 : 670,262.21 = 270,848.80 : x - Step 2: Convert to fraction form
485,695.12/670,262.21 = 270,848.80/x - Step 3: Cross multiply
485,695.12x = 670,262.21 × 270,848.80 - Step 4: Simplify right side
485,695.12x = 181,539,715,263.85 - Step 5: Solve for x
x = 181,539,715,263.85/485,695.12 - Step 6: Final answer
x = 373,772.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.