Finding the Fourth Proportional to 361,483.42, 538,993.36 and 351,551.98
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Solution
The fourth proportional to 361,483.42, 538,993.36 and 351,551.98 is: 524,184.99
Step by Step Solution
- Step 1: Write the proportion equation
361,483.42 : 538,993.36 = 351,551.98 : x - Step 2: Convert to fraction form
361,483.42/538,993.36 = 351,551.98/x - Step 3: Cross multiply
361,483.42x = 538,993.36 × 351,551.98 - Step 4: Simplify right side
361,483.42x = 189,484,182,914.85 - Step 5: Solve for x
x = 189,484,182,914.85/361,483.42 - Step 6: Final answer
x = 524,184.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.