Finding the Fourth Proportional to 346,590.29, 478,295.08 and 210,588.05
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Solution
The fourth proportional to 346,590.29, 478,295.08 and 210,588.05 is: 290,611.80
Step by Step Solution
- Step 1: Write the proportion equation
346,590.29 : 478,295.08 = 210,588.05 : x - Step 2: Convert to fraction form
346,590.29/478,295.08 = 210,588.05/x - Step 3: Cross multiply
346,590.29x = 478,295.08 × 210,588.05 - Step 4: Simplify right side
346,590.29x = 100,723,228,891.06 - Step 5: Solve for x
x = 100,723,228,891.06/346,590.29 - Step 6: Final answer
x = 290,611.80
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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.