Finding the Fourth Proportional to 434,655.84, 652,075.92 and 135,129.12
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Solution
The fourth proportional to 434,655.84, 652,075.92 and 135,129.12 is: 202,722.33
Step by Step Solution
- Step 1: Write the proportion equation
434,655.84 : 652,075.92 = 135,129.12 : x - Step 2: Convert to fraction form
434,655.84/652,075.92 = 135,129.12/x - Step 3: Cross multiply
434,655.84x = 652,075.92 × 135,129.12 - Step 4: Simplify right side
434,655.84x = 88,114,445,242.79 - Step 5: Solve for x
x = 88,114,445,242.79/434,655.84 - Step 6: Final answer
x = 202,722.33
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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.