Finding the Fourth Proportional to 319,201.62, 440,501.31 and 175,966.80
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Solution
The fourth proportional to 319,201.62, 440,501.31 and 175,966.80 is: 242,835.88
Step by Step Solution
- Step 1: Write the proportion equation
319,201.62 : 440,501.31 = 175,966.80 : x - Step 2: Convert to fraction form
319,201.62/440,501.31 = 175,966.80/x - Step 3: Cross multiply
319,201.62x = 440,501.31 × 175,966.80 - Step 4: Simplify right side
319,201.62x = 77,513,605,916.51 - Step 5: Solve for x
x = 77,513,605,916.51/319,201.62 - Step 6: Final answer
x = 242,835.88
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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.