Finding the Fourth Proportional to 401,767.84, 602,088.36 and 288,917.02
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Solution
The fourth proportional to 401,767.84, 602,088.36 and 288,917.02 is: 432,970.38
Step by Step Solution
- Step 1: Write the proportion equation
401,767.84 : 602,088.36 = 288,917.02 : x - Step 2: Convert to fraction form
401,767.84/602,088.36 = 288,917.02/x - Step 3: Cross multiply
401,767.84x = 602,088.36 × 288,917.02 - Step 4: Simplify right side
401,767.84x = 173,953,574,747.89 - Step 5: Solve for x
x = 173,953,574,747.89/401,767.84 - Step 6: Final answer
x = 432,970.38
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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.