Finding the Fourth Proportional to 473,644.19, 653,621.36 and 258,779.66
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Solution
The fourth proportional to 473,644.19, 653,621.36 and 258,779.66 is: 357,111.75
Step by Step Solution
- Step 1: Write the proportion equation
473,644.19 : 653,621.36 = 258,779.66 : x - Step 2: Convert to fraction form
473,644.19/653,621.36 = 258,779.66/x - Step 3: Cross multiply
473,644.19x = 653,621.36 × 258,779.66 - Step 4: Simplify right side
473,644.19x = 169,143,908,747.53 - Step 5: Solve for x
x = 169,143,908,747.53/473,644.19 - Step 6: Final answer
x = 357,111.75
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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.