Finding the Fourth Proportional to 472,495.41, 652,029.39 and 257,639.67
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Solution
The fourth proportional to 472,495.41, 652,029.39 and 257,639.67 is: 355,534.96
Step by Step Solution
- Step 1: Write the proportion equation
472,495.41 : 652,029.39 = 257,639.67 : x - Step 2: Convert to fraction form
472,495.41/652,029.39 = 257,639.67/x - Step 3: Cross multiply
472,495.41x = 652,029.39 × 257,639.67 - Step 4: Simplify right side
472,495.41x = 167,988,636,869.90 - Step 5: Solve for x
x = 167,988,636,869.90/472,495.41 - Step 6: Final answer
x = 355,534.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.