Finding the Fourth Proportional to 626,314.16, 939,510.36 and 177,069.68
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Solution
The fourth proportional to 626,314.16, 939,510.36 and 177,069.68 is: 265,615.58
Step by Step Solution
- Step 1: Write the proportion equation
626,314.16 : 939,510.36 = 177,069.68 : x - Step 2: Convert to fraction form
626,314.16/939,510.36 = 177,069.68/x - Step 3: Cross multiply
626,314.16x = 939,510.36 × 177,069.68 - Step 4: Simplify right side
626,314.16x = 166,358,798,801.89 - Step 5: Solve for x
x = 166,358,798,801.89/626,314.16 - Step 6: Final answer
x = 265,615.58
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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.