Finding the Fourth Proportional to 368,729.14, 553,090.62 and 102,488.88
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Solution
The fourth proportional to 368,729.14, 553,090.62 and 102,488.88 is: 153,732.46
Step by Step Solution
- Step 1: Write the proportion equation
368,729.14 : 553,090.62 = 102,488.88 : x - Step 2: Convert to fraction form
368,729.14/553,090.62 = 102,488.88/x - Step 3: Cross multiply
368,729.14x = 553,090.62 × 102,488.88 - Step 4: Simplify right side
368,729.14x = 56,685,638,182.31 - Step 5: Solve for x
x = 56,685,638,182.31/368,729.14 - Step 6: Final answer
x = 153,732.46
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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.