Finding the Fourth Proportional to 577,590.99, 866,444.35 and 198,461.78
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Solution
The fourth proportional to 577,590.99, 866,444.35 and 198,461.78 is: 297,712.54
Step by Step Solution
- Step 1: Write the proportion equation
577,590.99 : 866,444.35 = 198,461.78 : x - Step 2: Convert to fraction form
577,590.99/866,444.35 = 198,461.78/x - Step 3: Cross multiply
577,590.99x = 866,444.35 × 198,461.78 - Step 4: Simplify right side
577,590.99x = 171,956,083,143.57 - Step 5: Solve for x
x = 171,956,083,143.57/577,590.99 - Step 6: Final answer
x = 297,712.54
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1.5x scale
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.