Finding the Fourth Proportional to 717,074.40, 1,075,360.68 and 211,501.14
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Solution
The fourth proportional to 717,074.40, 1,075,360.68 and 211,501.14 is: 317,177.70
Step by Step Solution
- Step 1: Write the proportion equation
717,074.40 : 1,075,360.68 = 211,501.14 : x - Step 2: Convert to fraction form
717,074.40/1,075,360.68 = 211,501.14/x - Step 3: Cross multiply
717,074.40x = 1,075,360.68 × 211,501.14 - Step 4: Simplify right side
717,074.40x = 227,440,009,731.18 - Step 5: Solve for x
x = 227,440,009,731.18/717,074.40 - Step 6: Final answer
x = 317,177.70
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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.