Finding the Fourth Proportional to 246,485.19, 340,149.56 and 133,307.94
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Solution
The fourth proportional to 246,485.19, 340,149.56 and 133,307.94 is: 183,964.96
Step by Step Solution
- Step 1: Write the proportion equation
246,485.19 : 340,149.56 = 133,307.94 : x - Step 2: Convert to fraction form
246,485.19/340,149.56 = 133,307.94/x - Step 3: Cross multiply
246,485.19x = 340,149.56 × 133,307.94 - Step 4: Simplify right side
246,485.19x = 45,344,637,135.51 - Step 5: Solve for x
x = 45,344,637,135.51/246,485.19 - Step 6: Final answer
x = 183,964.96
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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.