Finding the Fourth Proportional to 451,774.12, 623,343.63 and 270,417.10
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Solution
The fourth proportional to 451,774.12, 623,343.63 and 270,417.10 is: 373,112.95
Step by Step Solution
- Step 1: Write the proportion equation
451,774.12 : 623,343.63 = 270,417.10 : x - Step 2: Convert to fraction form
451,774.12/623,343.63 = 270,417.10/x - Step 3: Cross multiply
451,774.12x = 623,343.63 × 270,417.10 - Step 4: Simplify right side
451,774.12x = 168,562,776,728.07 - Step 5: Solve for x
x = 168,562,776,728.07/451,774.12 - Step 6: Final answer
x = 373,112.95
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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.