Finding the Fourth Proportional to 583,437.94, 805,144.35 and 315,165.94
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Solution
The fourth proportional to 583,437.94, 805,144.35 and 315,165.94 is: 434,928.99
Step by Step Solution
- Step 1: Write the proportion equation
583,437.94 : 805,144.35 = 315,165.94 : x - Step 2: Convert to fraction form
583,437.94/805,144.35 = 315,165.94/x - Step 3: Cross multiply
583,437.94x = 805,144.35 × 315,165.94 - Step 4: Simplify right side
583,437.94x = 253,754,075,072.45 - Step 5: Solve for x
x = 253,754,075,072.45/583,437.94 - Step 6: Final answer
x = 434,928.99
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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.