Finding the Fourth Proportional to 314,307.36, 433,753.35 and 171,076.68
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Solution
The fourth proportional to 314,307.36, 433,753.35 and 171,076.68 is: 236,090.82
Step by Step Solution
- Step 1: Write the proportion equation
314,307.36 : 433,753.35 = 171,076.68 : x - Step 2: Convert to fraction form
314,307.36/433,753.35 = 171,076.68/x - Step 3: Cross multiply
314,307.36x = 433,753.35 × 171,076.68 - Step 4: Simplify right side
314,307.36x = 74,205,083,056.88 - Step 5: Solve for x
x = 74,205,083,056.88/314,307.36 - Step 6: Final answer
x = 236,090.82
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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.