Finding the Fourth Proportional to 473,731.99, 653,739.41 and 258,873.37
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Solution
The fourth proportional to 473,731.99, 653,739.41 and 258,873.37 is: 357,239.38
Step by Step Solution
- Step 1: Write the proportion equation
473,731.99 : 653,739.41 = 258,873.37 : x - Step 2: Convert to fraction form
473,731.99/653,739.41 = 258,873.37/x - Step 3: Cross multiply
473,731.99x = 653,739.41 × 258,873.37 - Step 4: Simplify right side
473,731.99x = 169,235,721,725.18 - Step 5: Solve for x
x = 169,235,721,725.18/473,731.99 - Step 6: Final answer
x = 357,239.38
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1.5x scale
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.