Finding the Fourth Proportional to 473,676.95, 653,678.76 and 258,816.99
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Solution
The fourth proportional to 473,676.95, 653,678.76 and 258,816.99 is: 357,169.95
Step by Step Solution
- Step 1: Write the proportion equation
473,676.95 : 653,678.76 = 258,816.99 : x - Step 2: Convert to fraction form
473,676.95/653,678.76 = 258,816.99/x - Step 3: Cross multiply
473,676.95x = 653,678.76 × 258,816.99 - Step 4: Simplify right side
473,676.95x = 169,183,169,090.13 - Step 5: Solve for x
x = 169,183,169,090.13/473,676.95 - Step 6: Final answer
x = 357,169.95
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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.