Finding the Fourth Proportional to 778,965.05, 1,168,506.68 and 210,337.88
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Solution
The fourth proportional to 778,965.05, 1,168,506.68 and 210,337.88 is: 315,522.77
Step by Step Solution
- Step 1: Write the proportion equation
778,965.05 : 1,168,506.68 = 210,337.88 : x - Step 2: Convert to fraction form
778,965.05/1,168,506.68 = 210,337.88/x - Step 3: Cross multiply
778,965.05x = 1,168,506.68 × 210,337.88 - Step 4: Simplify right side
778,965.05x = 245,781,210,942.82 - Step 5: Solve for x
x = 245,781,210,942.82/778,965.05 - Step 6: Final answer
x = 315,522.77
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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.