Finding the Fourth Proportional to 307,958,462.37, 424,966,426.97 and 175,794,203.25
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Solution
The fourth proportional to 307,958,462.37, 424,966,426.97 and 175,794,203.25 is: 242,586,723.75
Step by Step Solution
- Step 1: Write the proportion equation
307,958,462.37 : 424,966,426.97 = 175,794,203.25 : x - Step 2: Convert to fraction form
307,958,462.37/424,966,426.97 = 175,794,203.25/x - Step 3: Cross multiply
307,958,462.37x = 424,966,426.97 × 175,794,203.25 - Step 4: Simplify right side
307,958,462.37x = 74,706,634,436,311,488 - Step 5: Solve for x
x = 74,706,634,436,311,488/307,958,462.37 - Step 6: Final answer
x = 242,586,723.75
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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.