Finding the Fourth Proportional to 358,075.60, 537,112.44 and 133,430.92
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Solution
The fourth proportional to 358,075.60, 537,112.44 and 133,430.92 is: 200,146.02
Step by Step Solution
- Step 1: Write the proportion equation
358,075.60 : 537,112.44 = 133,430.92 : x - Step 2: Convert to fraction form
358,075.60/537,112.44 = 133,430.92/x - Step 3: Cross multiply
358,075.60x = 537,112.44 × 133,430.92 - Step 4: Simplify right side
358,075.60x = 71,667,407,012.64 - Step 5: Solve for x
x = 71,667,407,012.64/358,075.60 - Step 6: Final answer
x = 200,146.02
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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.