Finding the Fourth Proportional to 689,290.81, 1,033,985.36 and 183,848.92
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Solution
The fourth proportional to 689,290.81, 1,033,985.36 and 183,848.92 is: 275,786.49
Step by Step Solution
- Step 1: Write the proportion equation
689,290.81 : 1,033,985.36 = 183,848.92 : x - Step 2: Convert to fraction form
689,290.81/1,033,985.36 = 183,848.92/x - Step 3: Cross multiply
689,290.81x = 1,033,985.36 × 183,848.92 - Step 4: Simplify right side
689,290.81x = 190,097,091,731.81 - Step 5: Solve for x
x = 190,097,091,731.81/689,290.81 - Step 6: Final answer
x = 275,786.49
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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.