Finding the Fourth Proportional to 318,603.74, 439,669.68 and 175,360.70
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Solution
The fourth proportional to 318,603.74, 439,669.68 and 175,360.70 is: 241,995.85
Step by Step Solution
- Step 1: Write the proportion equation
318,603.74 : 439,669.68 = 175,360.70 : x - Step 2: Convert to fraction form
318,603.74/439,669.68 = 175,360.70/x - Step 3: Cross multiply
318,603.74x = 439,669.68 × 175,360.70 - Step 4: Simplify right side
318,603.74x = 77,100,782,853.58 - Step 5: Solve for x
x = 77,100,782,853.58/318,603.74 - Step 6: Final answer
x = 241,995.85
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1.5x scale
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.