Finding the Fourth Proportional to 551,451.80, 827,177.70 and 219,027.80
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Solution
The fourth proportional to 551,451.80, 827,177.70 and 219,027.80 is: 328,541.70
Step by Step Solution
- Step 1: Write the proportion equation
551,451.80 : 827,177.70 = 219,027.80 : x - Step 2: Convert to fraction form
551,451.80/827,177.70 = 219,027.80/x - Step 3: Cross multiply
551,451.80x = 827,177.70 × 219,027.80 - Step 4: Simplify right side
551,451.80x = 181,174,911,840.06 - Step 5: Solve for x
x = 181,174,911,840.06/551,451.80 - Step 6: Final answer
x = 328,541.70
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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.