Finding the Fourth Proportional to 310,472,237.70, 465,708,356.55 and 291,340,361.70
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Solution
The fourth proportional to 310,472,237.70, 465,708,356.55 and 291,340,361.70 is: 437,010,542.55
Step by Step Solution
- Step 1: Write the proportion equation
310,472,237.70 : 465,708,356.55 = 291,340,361.70 : x - Step 2: Convert to fraction form
310,472,237.70/465,708,356.55 = 291,340,361.70/x - Step 3: Cross multiply
310,472,237.70x = 465,708,356.55 × 291,340,361.70 - Step 4: Simplify right side
310,472,237.70x = 135,679,641,043,989,568 - Step 5: Solve for x
x = 135,679,641,043,989,568/310,472,237.70 - Step 6: Final answer
x = 437,010,542.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.