Finding the Fourth Proportional to 361,886.10, 542,829.15 and 249,911.70
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Solution
The fourth proportional to 361,886.10, 542,829.15 and 249,911.70 is: 374,867.55
Step by Step Solution
- Step 1: Write the proportion equation
361,886.10 : 542,829.15 = 249,911.70 : x - Step 2: Convert to fraction form
361,886.10/542,829.15 = 249,911.70/x - Step 3: Cross multiply
361,886.10x = 542,829.15 × 249,911.70 - Step 4: Simplify right side
361,886.10x = 135,659,355,686.06 - Step 5: Solve for x
x = 135,659,355,686.06/361,886.10 - Step 6: Final answer
x = 374,867.55
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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.