Finding the Fourth Proportional to 370,688.94, 551,264.67 and 358,879.14
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Solution
The fourth proportional to 370,688.94, 551,264.67 and 358,879.14 is: 533,701.90
Step by Step Solution
- Step 1: Write the proportion equation
370,688.94 : 551,264.67 = 358,879.14 : x - Step 2: Convert to fraction form
370,688.94/551,264.67 = 358,879.14/x - Step 3: Cross multiply
370,688.94x = 551,264.67 × 358,879.14 - Step 4: Simplify right side
370,688.94x = 197,837,390,681.98 - Step 5: Solve for x
x = 197,837,390,681.98/370,688.94 - Step 6: Final answer
x = 533,701.90
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.