Finding the Fourth Proportional to 472,652.68, 708,975.36 and 117,664.36
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Solution
The fourth proportional to 472,652.68, 708,975.36 and 117,664.36 is: 176,495.63
Step by Step Solution
- Step 1: Write the proportion equation
472,652.68 : 708,975.36 = 117,664.36 : x - Step 2: Convert to fraction form
472,652.68/708,975.36 = 117,664.36/x - Step 3: Cross multiply
472,652.68x = 708,975.36 × 117,664.36 - Step 4: Simplify right side
472,652.68x = 83,421,131,990.17 - Step 5: Solve for x
x = 83,421,131,990.17/472,652.68 - Step 6: Final answer
x = 176,495.63
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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.