Finding the Fourth Proportional to 257,101,328.64, 354,908,406.24 and 173,582,598.24
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Solution
The fourth proportional to 257,101,328.64, 354,908,406.24 and 173,582,598.24 is: 239,617,288.71
Step by Step Solution
- Step 1: Write the proportion equation
257,101,328.64 : 354,908,406.24 = 173,582,598.24 : x - Step 2: Convert to fraction form
257,101,328.64/354,908,406.24 = 173,582,598.24/x - Step 3: Cross multiply
257,101,328.64x = 354,908,406.24 × 173,582,598.24 - Step 4: Simplify right side
257,101,328.64x = 61,605,923,292,356,632 - Step 5: Solve for x
x = 61,605,923,292,356,632/257,101,328.64 - Step 6: Final answer
x = 239,617,288.71
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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.