Finding the Fourth Proportional to 542,935.91, 749,328.98 and 313,447.32
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Solution
The fourth proportional to 542,935.91, 749,328.98 and 313,447.32 is: 432,602.00
Step by Step Solution
- Step 1: Write the proportion equation
542,935.91 : 749,328.98 = 313,447.32 : x - Step 2: Convert to fraction form
542,935.91/749,328.98 = 313,447.32/x - Step 3: Cross multiply
542,935.91x = 749,328.98 × 313,447.32 - Step 4: Simplify right side
542,935.91x = 234,875,159,012.10 - Step 5: Solve for x
x = 234,875,159,012.10/542,935.91 - Step 6: Final answer
x = 432,602.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.