Finding the Fourth Proportional to 472,777.19, 709,070.44 and 173,155.47
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Solution
The fourth proportional to 472,777.19, 709,070.44 and 173,155.47 is: 259,698.28
Step by Step Solution
- Step 1: Write the proportion equation
472,777.19 : 709,070.44 = 173,155.47 : x - Step 2: Convert to fraction form
472,777.19/709,070.44 = 173,155.47/x - Step 3: Cross multiply
472,777.19x = 709,070.44 × 173,155.47 - Step 4: Simplify right side
472,777.19x = 122,779,425,301.31 - Step 5: Solve for x
x = 122,779,425,301.31/472,777.19 - Step 6: Final answer
x = 259,698.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.