Finding the Fourth Proportional to 640,023.93, 883,298.93 and 368,102.07
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Solution
The fourth proportional to 640,023.93, 883,298.93 and 368,102.07 is: 508,018.76
Step by Step Solution
- Step 1: Write the proportion equation
640,023.93 : 883,298.93 = 368,102.07 : x - Step 2: Convert to fraction form
640,023.93/883,298.93 = 368,102.07/x - Step 3: Cross multiply
640,023.93x = 883,298.93 × 368,102.07 - Step 4: Simplify right side
640,023.93x = 325,144,162,721.28 - Step 5: Solve for x
x = 325,144,162,721.28/640,023.93 - Step 6: Final answer
x = 508,018.76
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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.