Finding the Fourth Proportional to 257,084,861.02, 354,885,722.70 and 173,566,126.10
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Solution
The fourth proportional to 257,084,861.02, 354,885,722.70 and 173,566,126.10 is: 239,594,583.11
Step by Step Solution
- Step 1: Write the proportion equation
257,084,861.02 : 354,885,722.70 = 173,566,126.10 : x - Step 2: Convert to fraction form
257,084,861.02/354,885,722.70 = 173,566,126.10/x - Step 3: Cross multiply
257,084,861.02x = 354,885,722.70 × 173,566,126.10 - Step 4: Simplify right side
257,084,861.02x = 61,596,140,098,125,040 - Step 5: Solve for x
x = 61,596,140,098,125,040/257,084,861.02 - Step 6: Final answer
x = 239,594,583.11
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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.