Finding the Fourth Proportional to 429,881.02, 643,832.84 and 249,519.75
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Solution
The fourth proportional to 429,881.02, 643,832.84 and 249,519.75 is: 373,705.76
Step by Step Solution
- Step 1: Write the proportion equation
429,881.02 : 643,832.84 = 249,519.75 : x - Step 2: Convert to fraction form
429,881.02/643,832.84 = 249,519.75/x - Step 3: Cross multiply
429,881.02x = 643,832.84 × 249,519.75 - Step 4: Simplify right side
429,881.02x = 160,649,009,278.59 - Step 5: Solve for x
x = 160,649,009,278.59/429,881.02 - Step 6: Final answer
x = 373,705.76
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.