Finding the Fourth Proportional to 432,494.98, 648,860.82 and 208,043.08
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Solution
The fourth proportional to 432,494.98, 648,860.82 and 208,043.08 is: 312,121.55
Step by Step Solution
- Step 1: Write the proportion equation
432,494.98 : 648,860.82 = 208,043.08 : x - Step 2: Convert to fraction form
432,494.98/648,860.82 = 208,043.08/x - Step 3: Cross multiply
432,494.98x = 648,860.82 × 208,043.08 - Step 4: Simplify right side
432,494.98x = 134,991,003,484.13 - Step 5: Solve for x
x = 134,991,003,484.13/432,494.98 - Step 6: Final answer
x = 312,121.55
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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.