Finding the Fourth Proportional to 219,325.48, 328,985.34 and 69,565.48
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Solution
The fourth proportional to 219,325.48, 328,985.34 and 69,565.48 is: 104,347.31
Step by Step Solution
- Step 1: Write the proportion equation
219,325.48 : 328,985.34 = 69,565.48 : x - Step 2: Convert to fraction form
219,325.48/328,985.34 = 69,565.48/x - Step 3: Cross multiply
219,325.48x = 328,985.34 × 69,565.48 - Step 4: Simplify right side
219,325.48x = 22,886,023,090.06 - Step 5: Solve for x
x = 22,886,023,090.06/219,325.48 - Step 6: Final answer
x = 104,347.31
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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.