Finding the Fourth Proportional to 319,765.94, 441,277.08 and 176,526.08
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Solution
The fourth proportional to 319,765.94, 441,277.08 and 176,526.08 is: 243,606.04
Step by Step Solution
- Step 1: Write the proportion equation
319,765.94 : 441,277.08 = 176,526.08 : x - Step 2: Convert to fraction form
319,765.94/441,277.08 = 176,526.08/x - Step 3: Cross multiply
319,765.94x = 441,277.08 × 176,526.08 - Step 4: Simplify right side
319,765.94x = 77,896,913,126.25 - Step 5: Solve for x
x = 77,896,913,126.25/319,765.94 - Step 6: Final answer
x = 243,606.04
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1.5x scale
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.