Finding the Fourth Proportional to 358,177.60, 537,266.40 and 253,201.60
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Solution
The fourth proportional to 358,177.60, 537,266.40 and 253,201.60 is: 379,802.40
Step by Step Solution
- Step 1: Write the proportion equation
358,177.60 : 537,266.40 = 253,201.60 : x - Step 2: Convert to fraction form
358,177.60/537,266.40 = 253,201.60/x - Step 3: Cross multiply
358,177.60x = 537,266.40 × 253,201.60 - Step 4: Simplify right side
358,177.60x = 136,036,712,106.24 - Step 5: Solve for x
x = 136,036,712,106.24/358,177.60 - Step 6: Final answer
x = 379,802.40
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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.