Finding the Fourth Proportional to 400,405.08, 552,559.02 and 219,117.02
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Solution
The fourth proportional to 400,405.08, 552,559.02 and 219,117.02 is: 302,381.49
Step by Step Solution
- Step 1: Write the proportion equation
400,405.08 : 552,559.02 = 219,117.02 : x - Step 2: Convert to fraction form
400,405.08/552,559.02 = 219,117.02/x - Step 3: Cross multiply
400,405.08x = 552,559.02 × 219,117.02 - Step 4: Simplify right side
400,405.08x = 121,075,083,073.73 - Step 5: Solve for x
x = 121,075,083,073.73/400,405.08 - Step 6: Final answer
x = 302,381.49
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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.