Finding the Fourth Proportional to 838,582.12, 1,258,068.36 and 239,551.48
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Solution
The fourth proportional to 838,582.12, 1,258,068.36 and 239,551.48 is: 359,382.98
Step by Step Solution
- Step 1: Write the proportion equation
838,582.12 : 1,258,068.36 = 239,551.48 : x - Step 2: Convert to fraction form
838,582.12/1,258,068.36 = 239,551.48/x - Step 3: Cross multiply
838,582.12x = 1,258,068.36 × 239,551.48 - Step 4: Simplify right side
838,582.12x = 301,372,137,579.17 - Step 5: Solve for x
x = 301,372,137,579.17/838,582.12 - Step 6: Final answer
x = 359,382.98
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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.