Finding the Fourth Proportional to 159,682,238.70, 239,075,460.45 and 155,203,262.70
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Solution
The fourth proportional to 159,682,238.70, 239,075,460.45 and 155,203,262.70 is: 232,369,559.67
Step by Step Solution
- Step 1: Write the proportion equation
159,682,238.70 : 239,075,460.45 = 155,203,262.70 : x - Step 2: Convert to fraction form
159,682,238.70/239,075,460.45 = 155,203,262.70/x - Step 3: Cross multiply
159,682,238.70x = 239,075,460.45 × 155,203,262.70 - Step 4: Simplify right side
159,682,238.70x = 37,105,291,493,344,808 - Step 5: Solve for x
x = 37,105,291,493,344,808/159,682,238.70 - Step 6: Final answer
x = 232,369,559.67
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1.5x scale
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.