Finding the Fourth Proportional to 473,647.95, 653,626.53 and 258,783.42
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Solution
The fourth proportional to 473,647.95, 653,626.53 and 258,783.42 is: 357,116.94
Step by Step Solution
- Step 1: Write the proportion equation
473,647.95 : 653,626.53 = 258,783.42 : x - Step 2: Convert to fraction form
473,647.95/653,626.53 = 258,783.42/x - Step 3: Cross multiply
473,647.95x = 653,626.53 × 258,783.42 - Step 4: Simplify right side
473,647.95x = 169,147,708,836.13 - Step 5: Solve for x
x = 169,147,708,836.13/473,647.95 - Step 6: Final answer
x = 357,116.94
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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.