Finding the Fourth Proportional to 319,497.05, 440,903.04 and 176,258.27
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Solution
The fourth proportional to 319,497.05, 440,903.04 and 176,258.27 is: 243,234.82
Step by Step Solution
- Step 1: Write the proportion equation
319,497.05 : 440,903.04 = 176,258.27 : x - Step 2: Convert to fraction form
319,497.05/440,903.04 = 176,258.27/x - Step 3: Cross multiply
319,497.05x = 440,903.04 × 176,258.27 - Step 4: Simplify right side
319,497.05x = 77,712,807,068.14 - Step 5: Solve for x
x = 77,712,807,068.14/319,497.05 - Step 6: Final answer
x = 243,234.82
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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.