Finding the Fourth Proportional to 626,486.64, 939,721.56 and 153,176.08
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Solution
The fourth proportional to 626,486.64, 939,721.56 and 153,176.08 is: 229,762.07
Step by Step Solution
- Step 1: Write the proportion equation
626,486.64 : 939,721.56 = 153,176.08 : x - Step 2: Convert to fraction form
626,486.64/939,721.56 = 153,176.08/x - Step 3: Cross multiply
626,486.64x = 939,721.56 × 153,176.08 - Step 4: Simplify right side
626,486.64x = 143,942,864,852.29 - Step 5: Solve for x
x = 143,942,864,852.29/626,486.64 - Step 6: Final answer
x = 229,762.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.