Finding the Fourth Proportional to 473,626.31, 653,613.71 and 258,779.68
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Solution
The fourth proportional to 473,626.31, 653,613.71 and 258,779.68 is: 357,121.09
Step by Step Solution
- Step 1: Write the proportion equation
473,626.31 : 653,613.71 = 258,779.68 : x - Step 2: Convert to fraction form
473,626.31/653,613.71 = 258,779.68/x - Step 3: Cross multiply
473,626.31x = 653,613.71 × 258,779.68 - Step 4: Simplify right side
473,626.31x = 169,141,943,789.48 - Step 5: Solve for x
x = 169,141,943,789.48/473,626.31 - Step 6: Final answer
x = 357,121.09
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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.