Finding the Fourth Proportional to 368,537.80, 552,809.79 and 102,319.08
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Solution
The fourth proportional to 368,537.80, 552,809.79 and 102,319.08 is: 153,479.47
Step by Step Solution
- Step 1: Write the proportion equation
368,537.80 : 552,809.79 = 102,319.08 : x - Step 2: Convert to fraction form
368,537.80/552,809.79 = 102,319.08/x - Step 3: Cross multiply
368,537.80x = 552,809.79 × 102,319.08 - Step 4: Simplify right side
368,537.80x = 56,562,986,363.74 - Step 5: Solve for x
x = 56,562,986,363.74/368,537.80 - Step 6: Final answer
x = 153,479.47
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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.