Finding the Fourth Proportional to 314,271.48, 433,675.74 and 176,440.26
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Solution
The fourth proportional to 314,271.48, 433,675.74 and 176,440.26 is: 243,476.95
Step by Step Solution
- Step 1: Write the proportion equation
314,271.48 : 433,675.74 = 176,440.26 : x - Step 2: Convert to fraction form
314,271.48/433,675.74 = 176,440.26/x - Step 3: Cross multiply
314,271.48x = 433,675.74 × 176,440.26 - Step 4: Simplify right side
314,271.48x = 76,517,860,321.29 - Step 5: Solve for x
x = 76,517,860,321.29/314,271.48 - Step 6: Final answer
x = 243,476.95
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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.