Finding the Fourth Proportional to 473,213.21, 653,030.88 and 258,353.25
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Solution
The fourth proportional to 473,213.21, 653,030.88 and 258,353.25 is: 356,525.65
Step by Step Solution
- Step 1: Write the proportion equation
473,213.21 : 653,030.88 = 258,353.25 : x - Step 2: Convert to fraction form
473,213.21/653,030.88 = 258,353.25/x - Step 3: Cross multiply
473,213.21x = 653,030.88 × 258,353.25 - Step 4: Simplify right side
473,213.21x = 168,712,646,780.67 - Step 5: Solve for x
x = 168,712,646,780.67/473,213.21 - Step 6: Final answer
x = 356,525.65
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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.