Finding the Fourth Proportional to 473,442.80, 653,340.88 and 258,583.68
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Solution
The fourth proportional to 473,442.80, 653,340.88 and 258,583.68 is: 356,839.92
Step by Step Solution
- Step 1: Write the proportion equation
473,442.80 : 653,340.88 = 258,583.68 : x - Step 2: Convert to fraction form
473,442.80/653,340.88 = 258,583.68/x - Step 3: Cross multiply
473,442.80x = 653,340.88 × 258,583.68 - Step 4: Simplify right side
473,442.80x = 168,943,289,044.84 - Step 5: Solve for x
x = 168,943,289,044.84/473,442.80 - Step 6: Final answer
x = 356,839.92
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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.