Finding the Fourth Proportional to 750,113.80, 1,125,280.14 and 217,637.80
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Solution
The fourth proportional to 750,113.80, 1,125,280.14 and 217,637.80 is: 326,488.45
Step by Step Solution
- Step 1: Write the proportion equation
750,113.80 : 1,125,280.14 = 217,637.80 : x - Step 2: Convert to fraction form
750,113.80/1,125,280.14 = 217,637.80/x - Step 3: Cross multiply
750,113.80x = 1,125,280.14 × 217,637.80 - Step 4: Simplify right side
750,113.80x = 244,903,494,053.29 - Step 5: Solve for x
x = 244,903,494,053.29/750,113.80 - Step 6: Final answer
x = 326,488.45
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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.