Finding the Fourth Proportional to 626,487.64, 939,723.06 and 153,177.08
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Solution
The fourth proportional to 626,487.64, 939,723.06 and 153,177.08 is: 229,763.57
Step by Step Solution
- Step 1: Write the proportion equation
626,487.64 : 939,723.06 = 153,177.08 : x - Step 2: Convert to fraction form
626,487.64/939,723.06 = 153,177.08/x - Step 3: Cross multiply
626,487.64x = 939,723.06 × 153,177.08 - Step 4: Simplify right side
626,487.64x = 143,944,034,339.47 - Step 5: Solve for x
x = 143,944,034,339.47/626,487.64 - Step 6: Final answer
x = 229,763.57
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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.