Finding the Fourth Proportional to 472,646.13, 652,026.56 and 319,737.84
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Solution
The fourth proportional to 472,646.13, 652,026.56 and 319,737.84 is: 441,085.94
Step by Step Solution
- Step 1: Write the proportion equation
472,646.13 : 652,026.56 = 319,737.84 : x - Step 2: Convert to fraction form
472,646.13/652,026.56 = 319,737.84/x - Step 3: Cross multiply
472,646.13x = 652,026.56 × 319,737.84 - Step 4: Simplify right side
472,646.13x = 208,477,562,318.34 - Step 5: Solve for x
x = 208,477,562,318.34/472,646.13 - Step 6: Final answer
x = 441,085.94
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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.