Finding the Fourth Proportional to 320,038.05, 441,646.16 and 176,796.75
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Solution
The fourth proportional to 320,038.05, 441,646.16 and 176,796.75 is: 243,976.00
Step by Step Solution
- Step 1: Write the proportion equation
320,038.05 : 441,646.16 = 176,796.75 : x - Step 2: Convert to fraction form
320,038.05/441,646.16 = 176,796.75/x - Step 3: Cross multiply
320,038.05x = 441,646.16 × 176,796.75 - Step 4: Simplify right side
320,038.05x = 78,081,604,854.00 - Step 5: Solve for x
x = 78,081,604,854.00/320,038.05 - Step 6: Final answer
x = 243,976.00
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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.