Finding the Fourth Proportional to 455,272.36, 628,335.30 and 254,110.12
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Solution
The fourth proportional to 455,272.36, 628,335.30 and 254,110.12 is: 350,705.14
Step by Step Solution
- Step 1: Write the proportion equation
455,272.36 : 628,335.30 = 254,110.12 : x - Step 2: Convert to fraction form
455,272.36/628,335.30 = 254,110.12/x - Step 3: Cross multiply
455,272.36x = 628,335.30 × 254,110.12 - Step 4: Simplify right side
455,272.36x = 159,666,358,483.24 - Step 5: Solve for x
x = 159,666,358,483.24/455,272.36 - Step 6: Final answer
x = 350,705.14
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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.