Finding the Fourth Proportional to 473,237.78, 653,063.18 and 258,377.18
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Solution
The fourth proportional to 473,237.78, 653,063.18 and 258,377.18 is: 356,557.80
Step by Step Solution
- Step 1: Write the proportion equation
473,237.78 : 653,063.18 = 258,377.18 : x - Step 2: Convert to fraction form
473,237.78/653,063.18 = 258,377.18/x - Step 3: Cross multiply
473,237.78x = 653,063.18 × 258,377.18 - Step 4: Simplify right side
473,237.78x = 168,736,622,810.23 - Step 5: Solve for x
x = 168,736,622,810.23/473,237.78 - Step 6: Final answer
x = 356,557.80
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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.