Finding the Fourth Proportional to 454,428.19, 681,642.30 and 122,004.19
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Solution
The fourth proportional to 454,428.19, 681,642.30 and 122,004.19 is: 183,006.29
Step by Step Solution
- Step 1: Write the proportion equation
454,428.19 : 681,642.30 = 122,004.19 : x - Step 2: Convert to fraction form
454,428.19/681,642.30 = 122,004.19/x - Step 3: Cross multiply
454,428.19x = 681,642.30 × 122,004.19 - Step 4: Simplify right side
454,428.19x = 83,163,216,681.24 - Step 5: Solve for x
x = 83,163,216,681.24/454,428.19 - Step 6: Final answer
x = 183,006.29
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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.