Finding the Fourth Proportional to 315,480.74, 435,364.41 and 202,303.94
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Solution
The fourth proportional to 315,480.74, 435,364.41 and 202,303.94 is: 279,180.07
Step by Step Solution
- Step 1: Write the proportion equation
315,480.74 : 435,364.41 = 202,303.94 : x - Step 2: Convert to fraction form
315,480.74/435,364.41 = 202,303.94/x - Step 3: Cross multiply
315,480.74x = 435,364.41 × 202,303.94 - Step 4: Simplify right side
315,480.74x = 88,075,935,478.78 - Step 5: Solve for x
x = 88,075,935,478.78/315,480.74 - Step 6: Final answer
x = 279,180.07
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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.